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Samsung AR09RXPXBWKNEU Service Manual
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Samsung AR09RXPXBWKNEU Service Manual

Indoor/outdoor units
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AIR CONDITIONER
AR09RXPXBWKNEU
AR09RXWXCWKNEU
AR12RXPXBWKNEU
AR12RXWXCWKNEU
AR18RXPXBWKNEU
AR18RXWXCWKNEU
AR24RXPXBWKNEU
AR24RXWXCWKNEU
AR09RXWXCWKXEU
AR12RXWXCWKXEU
AR18RXPXBWKXEU
AR24RXPXBWKXEU
AR18RXWXCWKXEU
AR24RXWXCWKXEU
AR09RXPXBWKXEU
AR12RXPXBWKXEU
SPLIT-TYPE AIRCONDITIONER
INDOOR UNIT
MODEL CODE
AR09RXPXBWKNEU
AR12RXPXBWKNEU
AR18RXPXBWKNEU
AR24RXPXBWKNEU
AR09RXWXCWKNEU
AR12RXWXCWKNEU
AR18RXWXCWKNEU
AR24RXWXCWKNEU
CONTENTS
1. Precautions
2. Pr
cations
3. Alignment and Adjustments
4. Disassembly and Reassembly
5. ASSY CONTROL
6. Electrical Parts List
7. Wiring Diagram
8. PCB Diagram
9. Operating Instructions
10. Troubleshooting
11.Block Diagram
12. Reference Sheet
OUTDOOR UNIT
AR09RXPXBWKXEU
AR12RXPXBWKXEU
AR18RXPXBWKXEU
AR24RXPXBWKXEU
AR09RXWXCWKXEU
AR12RXWXCWKXEU
AR18RXWXCWKXEU
AR24RXWXCWKXEU

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Summary of Contents for Samsung AR09RXPXBWKNEU

  • Page 1 SPLIT-TYPE AIRCONDITIONER INDOOR UNIT OUTDOOR UNIT MODEL CODE AR09RXPXBWKNEU AR09RXPXBWKXEU AR12RXPXBWKNEU AR12RXPXBWKXEU AR18RXPXBWKNEU AR18RXPXBWKXEU AR24RXPXBWKNEU AR24RXPXBWKXEU AR09RXWXCWKNEU AR09RXWXCWKXEU AR12RXWXCWKNEU AR12RXWXCWKXEU AR18RXWXCWKNEU AR18RXWXCWKXEU AR24RXWXCWKNEU AR24RXWXCWKXEU AIR CONDITIONER CONTENTS 1. Precautions 2. Pr cations 3. Alignment and Adjustments AR09RXPXBWKNEU AR09RXWXCWKNEU 4. Disassembly and Reassembly...

  • Page 2: Table Of Contents

    Contents 1. Precautions 1-1 Installing the air conditioner 1-2 Power supply and circuit breaker 1-3 During operation 1-4 Disposing of the unit 1-4 Others 2. Product Specications 2-1 The Feature of Product 2-2 Product Specifications 2-3 The comparative specifications of product 2-4 Accessory and option specifications 3.
  • Page 3 Contents 9. Operating Instructions 9-1 Name of Each Part 9-2 Wireless Remote Control-Buttons and Display 10. Troubleshootin 10-1 Items to be checked First 10-2 Communication Error 10-2-1 Communication Error 10-2-2 Indoor temperature sensor Error 10-2-3 Indoor fan motor speed detecting error (BLDC fan) 10-2-4 Outdoor temperature sensor error 10-2-5 Outdoor Cond temperature sensor error 10-2-6 Outdoor Discharge temperature sensor error...

  • Page 4: Precautions

    1. Precautions 1-1 Installing the air conditioner • Uses should not install the air conditioner by themselves. Ask the dealer or authorized company to install the air conditioner except window-type air conditioner in U.S.A and Canada. • If you don't install the air conditioner properly, it may cause a fire, a water leakage or an electric shock. • You must install the air conditioner according to the national wiring regulations and safety regulations.

  • Page 5: Disposing Of The Unit

    1-4 Disposing of the unit • Before the throwing out the air conditioner, remove the batteries from the remote control. • When you dispose of the air conditioner, consult your dealer. If pipes are removed incorrectly, refrigerant may blow out and cause air pollution. When it contacts with your skin, it can cause skin injury. • The package of the air conditioner should be recycled or disposed of properly for environmental reasons.

  • Page 6: Product Specications

    2. Product Specications 2-1 The Feature of Product 2-step cooling 2-step cooling function will quickly cool the room to reach the desired temperature and then it will adjust the fan speed and ai ow direction automatically to help you stay comfortable and refreshed.

  • Page 7: Product Specifications

    2-2 Product specification Model AR09RXPXBWK/EU AR12RXPXBWK/EU AR18RXPXBWK/EU AR24RXPXBWK/EU Rating Mode Unit Wall-mounted Wall-mounted Wall-mounted Wall-mounted T1 Cool 2500 3500 5000 6500 Capacity T3 Cool Heat 3200 3500 6000 7400 T1 Cool 1390 1950 Power Input T3 Cool Heat 1710 2350 T1 Cool Current T3 Cool...
  • Page 8 2-2 Product specification Model AR09RXWXCWK/EU AR12RXWXCWK/EU AR18RXWXCWK/EU AR24RXWXCWK/EU Rating Mode Unit Wall-mounted Wall-mounted Wall-mounted Wall-mounted T1 Cool 2750 3500 5000 6500 Capacity T3 Cool Heat 3200 3500 6000 7400 T1 Cool 1220 1390 1950 Power Input T3 Cool Heat 1710 2350 T1 Cool Current...

  • Page 9: The Comparative Specifications Of Product

    2-3 The comparative specification of product DEVELOPMENT MODEL Model AR09RXPXBWK/EU AR12RXPXBWK/EU AR18RXPXBWK/EU AR24RXPXBWK/EU Indoor Unit Design Outdoor Unit Indoor Unit 13.1 13.4 Net Weight Outdoor Unit 27.6 27.6 40.2 44.8 Indoor Unit 828*267*265 828*267*265 1065*301*311 1065*301*311 Net Dimension Outdoor Unit 720*548*265 720*548*265 880*638*310...

  • Page 10: Accessory And Option Specifications

    2-4 Accessoray and option specifications Item Descriptions Code No. Q’ty Remark DB90-07732A (F-RAC-06) ASSY HANGER DB90-07731A (F-RAC-11) ASSY WIRELESS REMOCON DB93-16761C HOLDER REMOCON DB61-06087A Indoor unit case BATTERY 4301-000121 MANUAL USERS DB68-08138A MANUAL INSTALL DB68-08137A SCREW-TAPPING 6002-000623 CAP-SCREW DB67-01404B Rubber Leg DB67-01533A Outdoor unit case DB67-20011A...

  • Page 11: Alignment And Adjustments

    3. Alignment and Adjustments 3-1 Test Mode How to Approach Test Mode You can approach the test mode by pressing the on/off switch of indoor unit for 5 seconds. Test mode operation option After installing the air conditioner, check whether each subordinate is normally operated or not by operating the test mode.

  • Page 12: Display Error And Check Method

    3-2 Display Error and Check Method 3-2-1 Indoor Display Error and Check Mathod ERROR MODE LED1 LED2 LED3 DESCRIPTION 7-SEG Operation Timer Option Communication error E101 , E102 (Indoor <-> Outdoor) ROOM TH sensor error E121 INDOOR MID, INDOOR IN PIPE-TH E122, E123 sensor error Fan error (Indoor)
  • Page 13 3-2 Display Error and Check Method 3-2-2 Outdoor Display Error and Check Mathod ERROR MODE DESCRIPTION 7-SEG Power off /VDD NG Power on reset (1sec) Normal operation Abnormal communication (Indoor <-> Outdoor) IPM over current (O.C) error E464 Comp. strating error E461 EEPROM data error (no data) E470...

  • Page 14: Setting Option Setup Method

    3-3 Setting Option Setup Method Ex) Option No. : Step 1 Enter the Option Setup mode. 1. Tack out the batteries of remote control. 2. Press the temperature button simultaneously and insert the battery again. 3. Make sure the remote control display shown as Step 2 Enter the Options Setup mode and select your options asscording to the following procedure.
  • Page 15 Method Display Press the button to set Dry mode. Setting option SEG5 Press the button the display panel to . … Press the button repeatedly to select . Setting option SEG6 Press the button the display panel to . … Press the button repeatedly to select .
  • Page 16 Method Display Press the button to set Auto mode. Setting option SEG11 Press the button the display panel to . … Press the button repeatedly to select . Setting option SEG12 Press the button the display panel to . … Press the button repeatedly to select .
  • Page 17 설정방 법 표시 부 Press the button to set Fan mode. Setting option SEG17 Press the button the display panel to . … Press the button repeatedly to select . Setting option SEG18 Press the button the display panel to . …...
  • Page 18 설정방 법 표시 부 Press the button to set Fan mode. Setting option SEG17 Press the button the display panel to . … Press the button repeatedly to select . Setting option SEG18 Press the button the display panel to . …...

  • Page 19: Disassembly And Reassembly

    4. Disassembly and Reassembly Necessary Tools Item Remark +SCREW DRIVER Q’ty 1 ea. To assembly and disassembly the screw MONKEY SPANNER Q’ty 1 ea. To assembly and disassembly the Fan motor and Compressor - SCREW DRIVER Q’ty 1 ea. To assembly and disassembly the screw...

  • Page 20: Indoor Unit

    4-1. Indoor Unit Parts Procedure Remark PANEL-FRONT 1) Stop the driving of air conditioner and shut off main power supply. 2) Detach FILTER PRE from the PANEL FRONT. 3) Cover Panel is assembled on bot- tom of indoorunit as shown in the figure.
  • Page 21 Parts Procedure Remark PANEL-FRONT 5) Separate the hook after pushing both end of Cover Panel as shown in the figure.(Watch out for the damage of the hook) 6) Raise front part upward obliquely as shown in the figure and then remove the hooks.
  • Page 22 Parts Procedure Remark PANEL-FRONT Caution: Assembly of Cover Panel after service end. - Reassembly is in the reverse order of the removal. - Piping and drain hose must be careful not to damage and Pro- gress must be done with both hands.
  • Page 23 Parts Procedure Remark PANEL-FRONT 7) To detach the PANEL-FRONT from the main frame, unfasten 2 screws at the bottom. (use + Screw Driver) 8) To detach the COVER-PANEL from the main frame, loosen 4 HOOK Structures. When separate the hook : Use the (-) screw Driver.
  • Page 24 Parts Procedure Remark PANEL-FRONT 9) Remove the Panel Frame from the Main Frame as shown on the right side. 10) Remove the WIFI KIT connector. WIFI KIT connector is located of Panel Front. (For model with WIFI KIT)
  • Page 25 Parts Procedure Remark CONTORL IN 11) seperate Blade motor connect wire. Along with a picture 12) Loosen MOTOR Wire. Caution: When you separate the connector, pull pressing the lock- ing button. 13) Loosen the Thermistor wires, Display wire and Humidity wire connector.
  • Page 26 Parts Procedure Remark EVAPORATOR 16) Take off the CASE-CONTROL from the main frame after loosen the remaining connector. Caution: When you separate the connector, pull pressing the lock- ing button. TRAY DRAIN 17) To detach TRAY-DRAIN from the main frame, pull the bottom of the TRAYDRAIN towards you.
  • Page 27 Parts Procedure Remark EVAPORATOR 18) Detach the HOLDER PIPE. 19) Unfasten the screw at the left side. (use + Screw Driver) 20) Unfasten the screw at the right side. (use + Screw Driver) 21) To detach Evaporator from the main frame, pull the bottom of the Evaporator towards you.
  • Page 28 Parts Procedure Remark FAN MOTOR 22) Unfasten the screw. & (use + Screw Driver) CROSS FAN 23) Detach the FAN Motor case. 24) Unfasten the screw a little. (use + Screw Driver) 25) Pull the CROSS-FAN to the left side.

  • Page 29: Outdoor Unit

    4-2. Outdoor Unit (N-V2MD) AR09RXWXCWKXEU AR12RXWXCWKXEU Parts Procedure Remark Common Work 1) First, stop the operation of the air conditioner, please cut off the supply of power. 2) Please separate outdoor after loosen the bottom screw 3EA of the front three places. (+ screw driver Use) 3) Please separate the positions of the sides screw 1EA (+ screw driver...
  • Page 30 Parts Procedure Remark 6) Please remove the screw 4ea located on the rear panel. (use + screwdriver) 7) Please separate the screw 2ea located on the side panel. (+ screw driver Use) 8) Please separate the screw 4ea located on the side panel. (+ screw driver Use) 9) Please remove the COVER CONTROL OUT downward.
  • Page 31 Parts Procedure Remark 10) Please allign the wire such as picture if you re-assemble after separate connector w ir e . If the connector is excessively folded, there is a risk of fire. 11) Please remove the CABINET SIDE upward direction. FAN & MOTOR 1) Please Loosen the NUT 1ea clockwise.
  • Page 32 Parts Procedure Remark 3) Remove the fixing points of the mo- tor SCREW 2ea, please disconnect the MOTOR turning coun- terclockwise. Capillary 1) Please remove the weld point in one place. (COND-OUT) If you remove the compressor and heat exchanger, eliminate the refriger- ant inside the compressor and heat exchanger completely with welding fire to remove the PIPE.
  • Page 33 Parts Procedure Remark 2) Please separate the two sides fixing screws loose. (+ SCREW DRIVER Use) Compressor 1) Please disassemble one NUT counterclockwise (using MONKEY SPANNER) [OLP external compressor] 2) Disassemble COVER- TERMINAL after remove the OLP. BE CAUTION Engraved position : C (black), S (white), R (red) [OLP internal compressor] 2) Please disassemble COVER-...
  • Page 34 Parts Procedure Remark ※ how to distinguish from OLP internal, external compressor : Check the compressor label 3) Please remove the compressor after loosen the compressor fixed NUT 3ea. (Using MONKEY SPANNER) 4) Please detach the two welds. (SUCTION, DISCHARGE)
  • Page 35 4-3. Outdoor Unit (N-WW) AR09RXPXBWKXEU AR12RXPXBWKXEU Parts Procedure Remark Common work 1) Loosen each screws and detach the cabi Top cover. 2) Loosen screws of the cabi front and detach it.
  • Page 36 Parts Procedure Remark 3) Remove the 4 Cond Bar from the holder of outdoor unit cabinet. * This process is supported by heating models only 4) Loosen ing screws from the Cabi Front Lh and detach it. 5) Loosen ng screws from the Cabi Side Rh and detach it.
  • Page 37 Parts Procedure Remark 1) Detach the Nut Flange like the & picture on the right side. Motor (Turn clockwise because the screw is left-handed.) (Use Monkey Spanner.) 2) Detach the Fan Propeller. 3) Loosen 4 fixing screws to detach the Motor. (Use Monkey Spanner.) 4) Disconnect the wire between Ass’y Control Out and Motor.
  • Page 38 Parts Procedure Remark Assy 1) To remove the Cover control box : Control Out Pull the motor wire is allow sufficientspace as shown on the right side and then remove the screw. 2) Detach several connectors from the Assy Control Out. 3) Detach several connectors from the PCB of Assy Control Out.
  • Page 39 Parts Procedure Remark Compressor 1) Loosen the ng nut and detach the Compressor Lead Wire. (Use Monkey Spanner.) 2) Loosen the bolts at the bottom of Compressor like the picture on the right side. (Use Monkey Spanner.)
  • Page 40 4-4. Outdoor Unit (Q-480) AR18RXPXBWKXEU AR24RXPXBWKXEU AR18RXWXCWKXEU AR24RXWXCWKXEU Parts Procedure Remark COMMON 1) Loosen fixing screws from the WORK cabi side Rh and detach it. 2) L oosen each sc rews and detach the Cabi Top Cover. 3) Loosen fixing screws from the cabi side. 4) Loosen fixing screws from the cabi side Rh and detach it.
  • Page 41 Parts Procedure Remark COMMON 5) Loosen fixing screws from the WORK cabi front and detach it. 6) L oosen fixing screws from the Cabi left and detach it and Remove the 4 Cond Bar from the holderof outdoor unit cabinet.
  • Page 42 Parts Procedure Remark 1) Detach the Nut Flange like the & picture on the right side. Motor (Turn clockwise because the screw is left-handed.) (Use Monkey Spanner.) 2) Detach the Fan Propeller. 3) Loosen 4 fixing screws to detach the Motor. (Use Monkey Spanner.) 4) Disconnect the wire between Assy Control Out and Motor.
  • Page 43 Parts Procedure Remark Assy 1) To remove the Cover control box : Control Out Pull the motor wire is allow sufficient space as shown on the right side and then remove the screw. 2) Detach several connectors from the Assy Control Out. 3) Detach several connectors from the PCB of Assy Control Out.
  • Page 44 Parts Procedure Remark Compressor 1) Loosen the ng nut and detach the Compressor Lead Wire. (Use Monkey Spanner.) 2) Loosen the bolts at the bottom of Compressor like the picture on the right side. (Use Monkey Spanner.)

  • Page 45: Assy Control

    5. ASSY CONTROL 5-1 ASSY KIT CODE DB92-04408A AR09RXPXBWKNEU AR12RXPXBWKNEU AR09RXWXCWKNEU AR12RXWXCWKNEU Name Code Q'ty Unit ASSY CASE ELECTRIC DB90-07972N SMPS PBA 11W DB92-02861B ASSY PCB MAIN DB92-04101B ASSY THERMISTOR DB95-05163A ASSY CONNECTOR WIRE-DC SIGNAL DB93-14207A ASSY CONNECTOR WIRE-DC SIGNAL...

  • Page 46: Assy Kit Code Db92-04409A

    5-2 ASSY KIT CODE DB92-04409A AR18RXPXBWKNEU AR24RXPXBWKNEU AR18RXWXCWKNEU AR24RXWXCWKNEU Name Code Q'ty Unit ASSY CASE ELECTRIC DB90-07972P SMPS PBA 11W DB92-02861B MAIN PBA STD#4 DB92-04101B ASSY THERMISTOR DB95-05163A ASSY CONNECTOR WIRE-DC SIGNAL DB93-14207A ASSY CONNECTOR WIRE-DC SIGNAL DB93-15445A ASSY CONNECTOR WIRE-DC SIGNAL DB93-14208A ASSY CONNECTOR WIRE-DC SIGNAL DB93-14218A...

  • Page 47: Assy Kit Code Db92-04375B

    5-3 ASSY KIT CODE DB92-04375B AR09RXPXBWKXEU AR12RXPXBWKXEU NAME CODE Q'ty unit GREASE-SILICON 0205-000178 0.002 ASSY CONNECTOR WIRE DB93-07452B SCREW-TAPPING 6002-000536 HEAT SINK DB62-12196B ASSY CONNECTOR WIRE- DB93-16402A COMM PLATE CONTROL DB61-05836A CASE CONTROL DB61-06722A ASSY-SCREW MACHINE DB91-00933A ASSY PCB MAIN DB92-04029D ASSY PCB INVERTER DB92-04025C...

  • Page 48: Assy Kit Code Db92-04376B

    5-4 ASSY KIT CODE DB92-04376B AR09RXWXCWKXEU AR12RXWXCWKXEU NAME CODE Q'ty unit SCREW-TAPPING 6002-000536 SCREW-TAPPING 6002-000231 SCREW-TAPPING 6002-000239 SCREW-TAPPING 6002-000555 SCREW-SPECIAL 6009-001001 HOLDER-WIRE CLAMP DB61-02200A RUBBER DB67-01534A CASE CONTROL-UPPER S DB61-06600A COVER-CONTROL-UPPER DB63-03378A INSIDE PLATE-CONTROL OUT DB61-06715B PLATE-CONTROL LOW DB61-06713A CASE CONTROL-OUT DB61-06714A HEAT SINK DB62-12196B...

  • Page 49: Assy Kit Code Db92-04378B

    5-5 ASSY KIT CODE DB92-04378B AR18RXPXBWKXEU AR18RXWXCWKXEU NAME CODE Q'ty unit GREASE-SILICON 0205-000178 0.002 ASSY CONNECTOR WIRE DB93-07452B SCREW-TAPPING 6002-000536 HEAT SINK DB62-12196B COVER PCB DB63-03885A ASSY CONNECTOR WIRE- DB93-16402A COMM PLATE CONTROL DB61-04690A CASE CONTROL DB61-06722A ASSY-SCREW MACHINE DB91-00933A ASSY PCB MAIN DB92-04029D ASSY PCB MAIN...

  • Page 50: Assy Kit Code Db92-04379B

    5-6 ASSY KIT CODE DB92-04379B AR24RXPXBWKXEU AR24RXWXCWKXEU NAME CODE Q'ty unit SCREW-TAPPING 6002-000239 CASE CONTROL-UPPER DB61-04677A CABLE TIE DB65-10088D SCREW-TAPPINGM4,L16 6002-000234 SCREW-TAPPING M4,L25 6002-000555 SCREW-SPECIAL,M4,L10 6009-001001 HOLDER-WIRE CLAMP DB61-00250A PLATE-CONTROL OU DB61-04698A TERMINAL BLOCK DB65-00274A TERMINAL BLOCK DB65-00298B ASSY CONNECTOR WIRE DB93-09495N ASSY CONNECTOR WIRE- DB93-12121B...

  • Page 51: Electrical Parts List

    6. Electrical Parts List 6-1 INDOOR MAIN PCB CODE DB92-04101B Parts Code Design Loc Parts Description Spec. Quantity Unit 0201-001528 COATING ADHESIVE-SIL LDC2577D,Y/GRN,175CPS 0201-001982 ADHESIVE-SIL ADHESIVE-SIL TSE3854DS-W,White,2.2,MIL-A-46146B,UL94V-0 0.0037 LeeD-free Solder BAR,W20L350H8,99.3Sn/0.7C 0202-001338 SOLDER-BAR SOLDER-BAR 0.17 u/0.01P 0202-001463 SOLDER-WIRE SOLDER-WIRE LFC2-W3.0,D3,99.79Sn/0.2Cu/0.01P,No Flux 1.51 0204-004665 FLUX...
  • Page 52 Parts Code Design Loc Parts Description Spec. Quantity Unit HEADER-BOARD TO 3711-005098 CN51 BOX,5P,1R,2MM,STRAIGHT,SN,RED CABLE MAIN,AR9500M,120X98mm,N,220V- 240V,19V,12V,5V,WIND FREE,A- DB94-07157A ASSY PCB SMD STD#4,BLDC,DISPLAY_HUM/TEMP,DB92- 04101B SOLDER- LFM-48W TM-HP,D20~38um,96.5Sn/3Ag/0.5C 0202-001933 SOLDER-CREAM 0.32 CREAM u,Flux 12% 0402-001741 D701 DIODE-RECTIFIER S1M,1000V,1A,SMA,TP 0406-001005 TD420 DIODE-TVS SM05,6V,20MAV,TP 0406-001005 TD501 DIODE-TVS...
  • Page 53 Parts Code Design Loc Parts Description Spec. Quantity Unit 2007-000143 R513 R-CHIP 4.7Kohm,5%,1/16W,TP,1005,T0.35 2007-000143 R552 R-CHIP 4.7Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R412 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R413 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R502 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R503 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R504 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R505 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R506...
  • Page 54 Parts Code Design Loc Parts Description Spec. Quantity Unit 2007-000385 R115 R-CHIP 14.3Kohm,1%,1/4W,TP,3216 2007-000455 R712 R-CHIP 18Kohm,1%,1/10W,TP,1608 2007-000475 R709 R-CHIP 1Mohm,1%,1/10W,TP,1608 2007-000583 R714 R-CHIP 22Kohm,1%,1/10W,TP,1608 2007-000763 R601 R-CHIP 330ohm,1%,1/10W,TP,1608 2007-000763 R602 R-CHIP 330ohm,1%,1/10W,TP,1608 2007-000763 R716 R-CHIP 330ohm,1%,1/10W,TP,1608 2007-000828 R715 R-CHIP 39Kohm,1%,1/10W,TP,1608 2007-000869 R707...
  • Page 55 Parts Code Design Loc Parts Description Spec. Quantity Unit 2007-009922 R302 R-CHIP 300Kohm,1%,1/4W,TP,3216,T0.55 2007-009922 R303 R-CHIP 300Kohm,1%,1/4W,TP,3216,T0.55 2203-000257 C705 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000257 C801 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000438 C508 C-CER,CHIP 1nF,10%,50V,X7R,TP,1005 2203-000438 C516 C-CER,CHIP 1nF,10%,50V,X7R,TP,1005 2203-000438 C520 C-CER,CHIP 1nF,10%,50V,X7R,TP,1005 2203-000438 C901 C-CER,CHIP 1nF,10%,50V,X7R,TP,1005 2203-000440 C715...
  • Page 56 Parts Code Design Loc Parts Description Spec. Quantity Unit 2203-007456 C551 C-CER,CHIP 1000nF,10%,25V,X5R,TP,1005,T0.5 2203-007456 C552 C-CER,CHIP 1000nF,10%,25V,X5R,TP,1005,T0.5 2203-007456 C808 C-CER,CHIP 1000nF,10%,25V,X5R,TP,1005,T0.5 2203-007486 C804 C-CER,CHIP 1000nF,10%,50V,X5R,TP,1608 2402-000120 C706 C-AL,SMD 10UF,20%,50V,GP,TP,6.6X6.6X5.4MM 2402-001145 C701 C-AL,SMD 47uF,20%,50V,GP,TP,6.3X7.7mm 2402-001145 C703 C-AL,SMD 47uF,20%,50V,GP,TP,6.3X7.7mm 2802-001211 X501 RESONATOR-CERAMIC 8MHz,0.5%,TP,3.2x1.3x0.9 mm FR-4,2Layer,T1.6,120*98,4,WIND FREE, A-STD#4, DB41-01362A...

  • Page 57: Outdoor Main Pcb Code Db92-04029D

    6-2 OUTDOOR MAIN PCB CODE DB92-04029D Parts Code Design Loc Parts Description Spec. Quantity Unit 0201-001528 ADHESIVE-SIL ADHESIVE-SIL LDC2577D,Y/GRN,175CPS 0202-001463 SOLDER-WIRE SOLDER-WIRE LFC2-W3.0,D3,99.79Sn/0.2Cu/0.01P,No Flux SOLDER-WIRE 0202-001608 SOLDER-WIRE FLUX LFC7-107,D0.8,99.3Sn/0.7Cu/0.01P,Flux 3.5% FLUX 0204-004665 FLUX FLUX KSP-70M-S,MIXTURE,NO,FLUX,13% 0204-005754 COATING COATING SL 1301 ECO,55±5s,colorless 0.004 3711-000012 CN291...
  • Page 58 Parts Code Design Loc Parts Description Spec. Quantity Unit 2007-000148 R204 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R205 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R206 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R207 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R208 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R209 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R210 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R212 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R213...
  • Page 59 Parts Code Design Loc Parts Description Spec. Quantity Unit 2007-000869 R803 R-CHIP 4.7Kohm,1%,1/10W,TP,1608 2007-001433 R225 R-CHIP 12Kohm,1%,1/10W,TP,1608,T0.45 2007-007306 R224 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R231 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R232 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R233 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R234 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R235 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R243...
  • Page 60 Parts Code Design Loc Parts Description Spec. Quantity Unit 2203-006158 C202 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006158 C203 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006158 C206 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006158 C209 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006158 C212 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006158 C215 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006158 C216 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006158 C218 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006158 C248...

  • Page 61: Outdoor Pcb Inverter Code Db92-04025C

    6-3 OUTDOOR PCB INVERTER CODE DB92-04025C Parts Code Design Loc Parts Description Spec. Quantity Unit 0204-005754 COATING SL 1301 ECO,55±5s,colorless 0.004 17 S-INV,OUTDOOR PF2,BLDC,17 S- DB94-06517A ASSY PCB MANUAL INV,142*194,220,12,PF2,DB92-04025A 0201-001528 ADHESIVE-SIL ADHESIVE-SIL LDC2577D,Y/GRN,175CPS 0202-001463 SOLDER-WIRE SOLDER-WIRE LFC2-W3.0,D3,99.79Sn/0.2Cu/0.01P,No Flux SOLDER-WIRE 0202-001608 SOLDER-WIRE FLUX LFC7-107,D0.8,99.3Sn/0.7Cu/0.01P,Flux 3.5%...
  • Page 62 Parts Code Design Loc Parts Description Spec. Quantity Unit 3712-001047 CNP003 CONNECTOR-TERMINAL TAB,MALE,N,0.5/4.75mm 3712-001139 CNP001 CONNECTOR-TERMINAL TAB,MALE,6.35x0.8mm,BRASS,SN 3712-001139 CNP002 CONNECTOR-TERMINAL TAB,MALE,6.35x0.8mm,BRASS,SN 3712-001139 CNP051 CONNECTOR-TERMINAL TAB,MALE,6.35x0.8mm,BRASS,SN 3712-001139 CNP052 CONNECTOR-TERMINAL TAB,MALE,6.35x0.8mm,BRASS,SN 4715-001093 DSA001 SURGE ABSORBER 3600V,20%,2000A,-,AXIAL 4719-002484 IPM400 POWER MODULE 600V,15A,DIP,FNA41560B5,26,IPM 4719-003043 PFCM050 POWER MODULE 600V,20A,DIP,FBA42060B5,26PIN,PFCM...
  • Page 63 Parts Code Design Loc Parts Description Spec. Quantity Unit 0501-000467 Q351 TR-SMALL SIGNAL MMBT3906,PNP,350mW,SOT-23,TP,30~300 0501-000467 Q352 TR-SMALL SIGNAL MMBT3906,PNP,350mW,SOT-23,TP,30~300 0501-000467 Q901 TR-SMALL SIGNAL MMBT3906,PNP,350mW,SOT-23,TP,30~300 0501-000467 Q903 TR-SMALL SIGNAL MMBT3906,PNP,350mW,SOT-23,TP,30~300 0505-003681 IC153 FET-SILICON A0N7264E,N,60V,28A,27.5W,DFN 3x3 EP 0506-000175 IC801 TR-ARRAY 2003,NPN,7,1000mW,SOP-16,TP,1000 SMD(Top View),GRN,WATER CLEAR,1.6x1. 0601-002956 LED802 5mm,3.2x1.6x1.1mm,1,130deg,18/35mcd,-...
  • Page 64 Parts Code Design Loc Parts Description Spec. Quantity Unit 2007-000143 R541 R-CHIP 4.7Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R261 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R262 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R263 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R264 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R265 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R269 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000148 R527 R-CHIP 10Kohm,5%,1/16W,TP,1005,T0.35 2007-000239 R068...
  • Page 65 Parts Code Design Loc Parts Description Spec. Quantity Unit 2007-000763 R353 R-CHIP 330ohm,1%,1/10W,TP,1608 2007-000763 R355 R-CHIP 330ohm,1%,1/10W,TP,1608 2007-000763 R904 R-CHIP 330ohm,1%,1/10W,TP,1608 2007-000772 R185 R-CHIP 33Kohm,1%,1/10W,TP,1608 2007-000869 R455 R-CHIP 4.7Kohm,1%,1/10W,TP,1608 2007-000869 R456 R-CHIP 4.7Kohm,1%,1/10W,TP,1608 2007-000869 R903 R-CHIP 4.7Kohm,1%,1/10W,TP,1608 2007-000869 R907 R-CHIP 4.7Kohm,1%,1/10W,TP,1608 2007-000924 R102...
  • Page 66 Parts Code Design Loc Parts Description Spec. Quantity Unit 2007-007306 R364 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R365 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R501 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R513 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R517 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R531 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R532 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R535 R-CHIP 100ohm,1%,1/16W,TP,1005,T0.35 2007-007306 R550...
  • Page 67 Parts Code Design Loc Parts Description Spec. Quantity Unit 2203-000440 C353 C-CER,CHIP 1nF,10%,50V,X7R,TP,1608 2203-000440 C354 C-CER,CHIP 1nF,10%,50V,X7R,TP,1608 2203-000440 C404 C-CER,CHIP 1nF,10%,50V,X7R,TP,1608 2203-000440 C405 C-CER,CHIP 1nF,10%,50V,X7R,TP,1608 2203-000440 C406 C-CER,CHIP 1nF,10%,50V,X7R,TP,1608 2203-000440 C408 C-CER,CHIP 1nF,10%,50V,X7R,TP,1608 2203-000440 C409 C-CER,CHIP 1nF,10%,50V,X7R,TP,1608 2203-000440 C410 C-CER,CHIP 1nF,10%,50V,X7R,TP,1608 2203-000440 C411...
  • Page 68 Parts Code Design Loc Parts Description Spec. Quantity Unit 2203-006158 C513 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006158 C519 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006158 C520 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006158 C521 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006158 C522 C-CER,CHIP 100nF,10%,16V,X7R,TP,1005,T0.5 2203-006460 C180 C-CER,CHIP 2200nF,10%,16V,X5R,TP,1608 2203-006460 C533 C-CER,CHIP 2200nF,10%,16V,X5R,TP,1608 2203-006698 C524 C-CER,CHIP 1000nF,10%,25V,X7R,TP,1608,T0.8 2203-006698 C901...

  • Page 69: Outdoor Pcb Inverter Code Db92-04027B

    6-4 OUTDOOR PCB INVERTER CODE DB92-04027B Parts Code Design Loc Parts Description Spec. Quantity Unit 0201-001528 ADHESIVE-SIL ADHESIVE-SIL LDC2577D,Y/GRN,175CPS 0202-001463 SOLDER-WIRE SOLDER-WIRE LFC2-W3.0,D3,99.79Sn/0.2Cu/0.01P,No Flux SOLDER-WIRE 0202-001608 SOLDER-WIRE FLUX LFC7-107,D0.8,99.3Sn/0.7Cu/0.01P,Flux 3.5% FLUX 0204-004665 FLUX FLUX KSP-70M-S,MIXTURE,NO,FLUX,13% 0204-005754 COATING COATING SL 1301 ECO,55±5s,colorless 0.004 0205-001027 OIL-SILICON...
  • Page 70 Parts Code Design Loc Parts Description Spec. Quantity Unit 3711-004019 CNP901 CONNECTOR-HEADER 1WALL,6P,1R,3.96mm,ANGLE,SN,WHT 3712-001047 CN003 CONNECTOR-TERMINAL TAB,MALE,N,0.5/4.75mm 3712-001139 CN001 CONNECTOR-TERMINAL TAB,MALE,6.35x0.8mm,BRASS,SN 3712-001139 CN002 CONNECTOR-TERMINAL TAB,MALE,6.35x0.8mm,BRASS,SN 3712-001139 CN051 CONNECTOR-TERMINAL TAB,MALE,6.35x0.8mm,BRASS,SN 3712-001139 CN052 CONNECTOR-TERMINAL TAB,MALE,6.35x0.8mm,BRASS,SN 3712-001139 CN401 CONNECTOR-TERMINAL TAB,MALE,6.35x0.8mm,BRASS,SN 3712-001139 CN402 CONNECTOR-TERMINAL TAB,MALE,6.35x0.8mm,BRASS,SN 3712-001139 CN403...
  • Page 71 Parts Code Design Loc Parts Description Spec. Quantity Unit 0401-001099 D241 DIODE-SWITCHING 1N4148WS,75V,150mA,SOD-323,TP 0401-001099 D431 DIODE-SWITCHING 1N4148WS,75V,150mA,SOD-323,TP 0401-001099 D501 DIODE-SWITCHING 1N4148WS,75V,150mA,SOD-323,TP 0402-001192 D170 DIODE-RECTIFIER ES2D,200V,2A,SMB,TP 0402-001427 D152 DIODE-RECTIFIER ES1D,200V,1A,DO-214AC,TP 0402-001669 D173 DIODE-RECTIFIER ES3D,200V,3A,DO-214AB(SMC),TP 0402-001741 D151 DIODE-RECTIFIER S1M,1000V,1A,SMA,TP 0402-001795 D051 DIODE-RECTIFIER US1M,1000V,1A,SMA,TP 0402-001795 D903...
  • Page 72 Parts Code Design Loc Parts Description Spec. Quantity Unit 2007-000052 R446 R-CHIP 10Kohm,1%,1/10W,TP,1608 2007-000052 R901 R-CHIP 10Kohm,1%,1/10W,TP,1608 2007-000052 R905 R-CHIP 10Kohm,1%,1/10W,TP,1608 2007-000052 R906 R-CHIP 10Kohm,1%,1/10W,TP,1608 2007-000052 R908 R-CHIP 10Kohm,1%,1/10W,TP,1608 2007-000052 R909 R-CHIP 10Kohm,1%,1/10W,TP,1608 2007-000067 R181 R-CHIP 15Kohm,1%,1/10W,TP,1608 2007-000137 R522 R-CHIP 2Kohm,5%,1/16W,TP,1005 2007-000143 R501...
  • Page 73 Parts Code Design Loc Parts Description Spec. Quantity Unit 2007-000455 R439 R-CHIP 18Kohm,1%,1/10W,TP,1608 2007-000455 R442 R-CHIP 18Kohm,1%,1/10W,TP,1608 2007-000475 R450 R-CHIP 1Mohm,1%,1/10W,TP,1608 2007-000476 R157 R-CHIP 1Mohm,1%,1/4W,TP,3216 2007-000491 R031 R-CHIP 2.2Kohm,1%,1/10W,TP,1608 2007-000491 R190 R-CHIP 2.2Kohm,1%,1/10W,TP,1608 2007-000491 R241 R-CHIP 2.2Kohm,1%,1/10W,TP,1608 2007-000491 R351 R-CHIP 2.2Kohm,1%,1/10W,TP,1608 2007-000491 R357...
  • Page 74 Parts Code Design Loc Parts Description Spec. Quantity Unit 2007-001297 R179 R-CHIP 47ohm,1%,1/4W,TP,3216 2007-001297 R186 R-CHIP 47ohm,1%,1/4W,TP,3216 2007-001297 R187 R-CHIP 47ohm,1%,1/4W,TP,3216 2007-001313 R593 R-CHIP 330ohm,5%,1/16W,TP,1005,T0.35 2007-001433 R163 R-CHIP 12Kohm,1%,1/10W,TP,1608,T0.45 2007-002557 R001 R-CHIP 120ohm,1%,1/4W,TP,3216 2007-002557 R002 R-CHIP 120ohm,1%,1/4W,TP,3216 2007-002557 R003 R-CHIP 120ohm,1%,1/4W,TP,3216 2007-002557 R004...
  • Page 75 Parts Code Design Loc Parts Description Spec. Quantity Unit 2007-007385 R153 R-CHIP 1.2Mohm,1%,1/4W,TP,3216 2007-007385 R154 R-CHIP 1.2Mohm,1%,1/4W,TP,3216 2007-007385 R155 R-CHIP 1.2Mohm,1%,1/4W,TP,3216 2007-007385 R156 R-CHIP 1.2Mohm,1%,1/4W,TP,3216 2007-007942 R531 R-CHIP 1Mohm,1%,1/16W,TP,1005,T0.35 2007-008261 R056 R-CHIP 150Kohm,1%,1/2W,TP,5025 2007-008261 R057 R-CHIP 150Kohm,1%,1/2W,TP,5025 2007-008261 R058 R-CHIP 150Kohm,1%,1/2W,TP,5025 2007-010245 R063...
  • Page 76 Parts Code Design Loc Parts Description Spec. Quantity Unit 2203-005249 C054 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C057 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C061 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C071 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C153 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C161 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C162 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C163 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C170...

  • Page 77: Assy Pcb Display Code Db92-04106A

    6-5 ASSY PCB DISPLAY CODE DB92-04106A Parts Code Design Loc Parts Description Spec. Quantity Unit 0201-001528 COATING ADHESIVE-SIL LDC2577D,Y/GRN,175CPS 0201-001982 ADHESIVE-SIL ADHESIVE-SIL TSE3854DS-W,White,2.2,MIL-A-46146B,UL94V-0 5.00E-04 LeeD-free Solder BAR,W20L350H8,99.3Sn/0.7Cu/ 0202-001338 SOLDER-BAR SOLDER-BAR 0.18 0.01P 0202-001463 SOLDER-WIRE SOLDER-WIRE LFC2-W3.0,D3,99.79Sn/0.2Cu/0.01P,No Flux 1.62 SOLDER-WIRE 0202-001608 SOLDER-WIRE FLUX LFC7-107,D0.8,99.3Sn/0.7Cu/0.01P,Flux 3.5% 0.05...

  • Page 78: Wiring Diagram

    7. Wiring Diagram 7-1 Indoor Unit AR09RXPXBWKNEU AR12RXPXBWKNEU AR09RXWXCWKNEU AR12RXWXCWKNEU AR18RXWXCWKNEU AR24RXWXCWKNEU (OPTION) HUM/ROOM SENSOR (OPTION1) (OPTION2) Communication error (indoor <-> outdoor) ROOM TH sensor error INDOOR MID, INDOOR IN PIPE-TH sensor error Fan error (indoor) EEPROM error Option error etc.
  • Page 79 7-1 Indoor Unit AR18RXPXBWKNEU AR24RXPXBWKNEU UP/DOWN STEP MOTOR (OPTION) 1 EA : OPTION 1 CN81 2 EA : OPTION 2 (YEL) CN65 (OPTION) GRILLE STEP MOTOR (BLK) (OPTION) (OPTION) (OPTION) CN42 CN64 UP/DOWN STEP MOTOR (WHT) HUMIDITY SENSOR (WHT) (OPTION) (OPTION1) (OPTION) (OPTION2)

  • Page 80: Outdoor Unit

    7-2 Outdoor Unit AR09RXPXBWKXEU AR12RXPXBWKXEU AR09RXWXCWKXEU AR12RXWXCWKXEU AR18RXWXCWKXEU INVERTER PCB CNP051 CNP052 INVERTER CNP401 (WHT) CNP230 (BLK) INV DOWNLOAD CNP901 (WHT) CNP552 CNP361 CNP351 (WHT) ECO (WHT) CNP031 (WHT) DOWNLOAD ECO-COMM (WHT) MAIN-COMM (OPTION) CN261 CN302 COMM-INV (WHT) MAIN PCB (OPTION) CN230 (BLK) MAIN...
  • Page 81 7-2 Outdoor Unit AR18RXPXBWKXEU DB68-06674A DB68-06674A-00...
  • Page 82 7-2 Outdoor Unit AR24RXPXBWKXEU AR24RXWXCWKXEU DB68-06675A DB68-06675A-00...

  • Page 83: Pcb Diagram

    8. PCB Diagram 8-1 Indoor Main PCB CODE DB92-04101B...

  • Page 84: Outdoor Main Pcb Code

    8-2 Outdoor Main PCB CODE DB92-04029D...
  • Page 85 8-3 Outdoor PCB Inverter CODE DB92-04025C...
  • Page 86 8-4 Outdoor PCB Inverter CODE DB92-04027B Outdoor Main PCB : DB92-04027B CN403 CNP351 CNP002 CNP052 CNP003...
  • Page 87 8-5 DISPLAY PCB DB92-04106A...
  • Page 88 8-6 SUB PCB-RECEIVE-DB92-02874A...
  • Page 89 8-7 Wire connecting the indoor unit terminal blocks 1. Terminal press of Ring terminal shall be set facing up before connecting wire. 2. There shall be no empty space between Ring terminal and Screw after Clamp. If not, there exists a possibility of fire which can be caused by electric heat in the connecting part.

  • Page 90: Operating Instructions

    9. Operating Instructions 9-1 Name of Each Part 9-1-1 Indoor Unit The design and shape are subject to change according to the model. u Main Parts 01 Air intake 06 WI-FI module 02 Air filter 07 Wind-Free panel 03 Air flow blade (up and down) 08 Display 04 Air flow blade (left and right) 09 Power button /Remote control receiver 05 Room temperature sensor...

  • Page 91: Wireless Remote Control-Buttons And Display

    9-2 Wireless Remote control-Buttons and Display 01 Set temperature indicator 02 Timer option indicator 03 Operation mode indicator 04 Options indicator 05 Low battery indicator 06 Transmit indicator 07 Fan speed indicator 08 Ionizer indicator 09 Wind-Free indicator 10 Vertical air swing indicator 11 Horizontal air swing indicator 12 Power button 13 Temperature button...

  • Page 92: Troubleshootin

    10. Troubleshooting 10-1 Items to be checked first The input voltage should be rating voltage ±10% range.The air conditioner may not operate properly if the voltage is out of this range. Is the line cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and the outdoor unit shall be linked by 5 cables.

  • Page 93: Communication Error

    10-2 Communication Error 10-2-1 Communication Error Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 ◎ ◎ E101/E102 Communication error(Indoor<->outdoor) Outdoor display ◎ ● ● 1min. Time out Comm. ● Abnormal Communication ● ● ● ◎ LED ON LED OFF LED BLINKING 1.

  • Page 94: Indoor Temperature Sensor Error

    10-2-2 Indoor temperature sensor Error Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 ◎ E121 Indoor room temp sensor error ● ◎ LED ON LED OFF LED BLINKING 1. Checklist : 1) Is the indoor units temperature sensor connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? 2.

  • Page 95: Indoor Fan Motor Speed Detecting Error (Bldc Fan)

    10-2-3 Indoor fan motor speed detecting error (BLDC fan) Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 ◎ E154 Indoor fan error ● ◎ LED ON LED OFF LED BLINKING 1. Checklist : 1) Is the indoor units fan motor properly connected with the connector(CN72)? 2) Is the AC voltage correct? 2.

  • Page 96: Outdoor Temperature Sensor Error

    10-2-4 Outdoor temperature sensor error Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 ◎ ◎ E221 Outdoor temperature sensor error Outdoor display ◎ ◎ Outdoor temperature sensor error ● ◎ LED ON LED OFF LED BLINKING 1. Checklist : 1) Is the sensor connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?

  • Page 97: Outdoor Cond Temperature Sensor Error

    10-2-5 Outdoor Cond temperature sensor error Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 ◎ ◎ E231 Outdoor Cond temperature sensor error Outdoor display ◎ ● ◎ Outdoor Cond temperature sensor error ● ◎ LED ON LED OFF LED BLINKING 1.

  • Page 98: Outdoor Discharge Temperature Sensor Error

    10-2-6 Outdoor Discharge temperature sensor error Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 ◎ ◎ E251 Outdoor Discharge temperature sensor error Outdoor display ◎ ◎ Outdoor Discharge temperature sensor error ● ◎ LED ON LED OFF LED BLINKING 1.

  • Page 99: Operation Condition Secession Error

    10-2-7 Operation condition secession error Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 E440 Prohibit Operation Condition Error (Heating) ◎ ◎ E441 Prohibit Operation Condition Error (Cooling) Outdoor display ● ◎ Operation condition secession ● ◎ LED ON LED OFF LED BLINKING 1.

  • Page 100: Eeprom Error/Otp Error

    10-2-8 EEPROM error / OTP error Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 E470 EEPROM Data Error (no data) ◎ ◎ OTP errorEEPROM Data Error E471 (Main Micom Inv Micom) Outdoor display ● EEPROM Data Error (no data) ●...

  • Page 101: Outdoor Fan Motor Error

    10-2-9 Outdoor Fan motor error Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 ◎ ◎ E458 Outdoor fan error Outdoor display ● Outdoor fan error ● ◎ LED ON LED OFF LED BLINKING 1. Checklist : 1) Are the input power voltage and the power connection correct? 2) Is the motor wire connected to the outdoor PBA correctly? 3) Is there no assembly error or non-assembly in the terminal of motor wire connector? 4) Is there no obstacle at the surrounding of motor and propeller?

  • Page 102: Compressor Starting Error

    10-2-10 Compressor starting error Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 ◎ ◎ E461 Comp starting error Outdoor display ◎ Comp starting error ● ◎ LED ON LED OFF LED BLINKING 1. Checklist : 1) Is the connection of cable for the compressor? 2) Is the compressor wire is connected clockwise? U(RED)-V(BLU)-W(YEL) 3) Is the interphase resistance of compressor normal? 2.

  • Page 103: Compressor Wire Missing Error/Rotation Error

    10-2-11 Compressor wire missing error/rotation error Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 ◎ ◎ E467 Compressor wire missing errorr/rotation error Outdoor display ● ● Compressor wire missing error/rotation error ● ◎ LED ON LED OFF LED BLINKING 1.

  • Page 104: Current Sensor Error/Input Current Sensor Error

    10-2-12 Current sensor error/Input current sensor error Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 ◎ ◎ E462 AC Input I_Limit Trip Error Outdoor display Current sensor error ● ◎ ● Input current sensor error ● ◎ LED ON LED OFF LED BLINKING 1.

  • Page 105: Over Current) Error

    10-2-13 O.C(Over Current) error Indoor display 3-LED DISPLAY 7-SEG DISPLAY DESCRIPTION LED1 LED2 LED3 ◎ ◎ E464 IPM Over Current(O.C) Error Outdoor display ◎ IPM Over Current(O.C) Error ● ◎ LED ON LED OFF LED BLINKING 1. Checklist : 1) Is the IPM Shunt resistance value correct? Check the resistor is opened 2) Is the condition of surrounding temperature abnormal overload? 3) Is there any problem as like the temperature sensor separation or measurement value error? 4) Is the interphase resistance of compressor normal?
  • Page 106 Is the position of Correct the sensor position or temperature sensor and sensing exchange the sensor value normal? Is the compressor body and interphase resistance Exchange the Outdoor PBA insulated? Exchange the compressor...

  • Page 107: No Power Outdoor (Initial Diagnosis) (Not Displayed)

    10-2-14 No power outdoor (Initial Diagnosis) (Not displayed) 1. Checklist : 1) Is input power normal? 2) Is AC power linked correctly? (L,N,E) 3) Is mis-wiring between communication wire and Power wire? 4) Is mis-wiring between Main PBA and SMPS PBA wire? 5) Is input voltage of SMPS AC in Main PBA (CN150) normal? 6) Is the voltage of SMPS DC in Main PBA (CN151,CN152) normal? 2.

  • Page 108: When The Up/Down, Left/Right, Grill Louver Motor Does Not Operate

    10-2-15 When the Up/Down, Left/Right, Grill louver motor does not operate (Initial Diagnosis) (Not displayed) 1. Checklist : 1) Is the input power voltage normal? 2) Is the Up/Down louver motor properly connected with the connector? (CN61, CN62, CN63) 2. Troubleshooting procedure Unplug the power cord and plug it after 30seconds later.

  • Page 109: When The Remote Control Is Not Receiving

    10-2-16 When the remote control is not receiving 1. Checklist : 1) Check if the connector was normally assembled. 2) Check the battery in remote control 3) All the lights out and check again : Change electronic typed to a rescent light 4) Put the set in operation and check the voltage of display PBA 5) Replace the display PBA 2.

  • Page 110: Smart Install Error

    10-2-17 Smart Install error 1. Checklist : 1) Check the leakage region.(Use leakage detection liquid or soapy water) 2) When leakage region is found from service valve and piping connection re nut part : After the related measures to check the refrigerant supplements and operation. 3) If the leakage region is pipe welding part : Weld leakage region after refrigerant gas release.(Brass parts should only apply) 4) If the leakage region is surface area (Heat exchanger or pipe welding region is not) : Replace parts.

  • Page 111: Outdoor Olp Over Temperature Error (One Way Inverter Only)

    10-2-18 Outdoor OLP over temperature error (One way Inverter Only) Indoor display 3-LED DISPLAY DESCRIPTION LED1 LED2 LED3 ● No display about the outdoor condition Outdoor display ◎ ● E463 IPM Over Current(O.C) Error ● ◎ LED ON LED OFF LED BLINKING 1.

  • Page 112: Block Diagram

    11. Block Diagram 11-1 Indoor unit CONTROLLER IC-MCU HEAT EXCHANGER SENSOR DISPLAY PART · H/V BLADE CONTROL · INDOOR FAN MOTOR CONTROL · DISPLAY ROOM TEMPERATURE SENSOR · OUTDOOR COMMUNICATION - TIMER · TEMPERATURE CONTROL - GOODSLEEP · HUMIDITY CONTROL HUMIDITY SENSOR ·...

  • Page 113: Outdoor Unit

    11-2 Outdoor unit Inverter -P BA DRED Download Comm. Main Sensor -Inv Contro l Main Inverter Current 4WayV /V Micom Micom Sensing Inverter Compressor Download ZCPO VP DC LINK Communi Comm.I n- out cation Converter SMPS POWER Filter Reactor SMPS -P BA SMPS...
  • Page 114 11-2-1 Pre-inspection Notices Check if you pulled out the AC power plug when you eliminate the PCB or front panel. Don’t hold the PCB side not impose excessive force on it to eliminate the PCB. Don’t pull the lead wire but hold the whole housing to connect or disconnect a connector to the PCB. In case of outdoor PCB disassembly, check first the complete discharge of condenser after 1 minute power off.
  • Page 115 11-2-4 Outdoor detailed inspection procedure Procedure Inspection Method Cause Plug out and pull the PCB 1) Is 1st fuse disconnected? • Over current out of the control box. Check • AC part and pattern short the PCB fuse (Wait 3 minutes of Outdoor PBA after power off) 1) Is the Compressor wire connected...

  • Page 116: Reference Sheet

    12. Reference Sheet 12-1 Low Refrigerant Pressure Distribution Note : Please measure the refrigerant pressure after the air conditioner operates on testing cooling mode during more than 10 minutes. ■ Indoor Temp. Variation : 20°C ~ 32°C ■ Outdoor Temp. Variation : -5°C ~ 45°C 12-2 Pressure & Capacity mark ■...

  • Page 117: Q & A For Non-Trouble

    It occurs when the drain pump is plugged out or it is out of order. Check the power of the drain pump and the position of the drain hose, and when the pump is faulty, contact the drain pump manufacturer. Samsung Electronics do not manufacture drain pumps. So, we are not able to correct the drain pump problems.
  • Page 118 Classication Class Description Smells Whenever the air conditioner is turned on, it stinks. When are no components in the air conditioner sending out chemical smells. But, when the air conditioner is turned on, other smell sources are sucked into the air conditioner and get out of it. So, find and root out the smell sources. Generally, when the drain hose is taken out to the washing room or there are sources of smells such as a diaper bin, a shoe shelf or a socks bin, bad smells generate.
  • Page 119 There is a cost table. But, our service engineer needs to visit to total up the cost correctly. When you move in, make sure to contact Samsung Electronics Service Center or Authorized Service Agent in advance to streamline the process.

  • Page 120: Cleaning /Filter Change

    12-4 Cleaning /Filter Change Running Auto clean Method 1 : Press button The Auto clean function for 3 seconds or more. is activated. Select Method 2 : When operation is off, [Clean] auto clean starts for 10 min. The indoor unit display shows : •...
  • Page 121 CAUTION • Do not clean the display by using alkaline detergent. • Do not use sulphuric acid, hydrochloric acid, or organic solvents (such as thinner, kerosene, and acetone) to clean the surfaces. Do not put any stickers on it as this can damage the surface of the air conditioner. • When you clean and inspect the heat exchanger on the outdoor unit, contact the local service centre for help.
  • Page 122 Tip on cleaning the wind-Free panel Gently push the air flow blade Hold and pull both sides of Remove the dust with a soft brush with your finger until it is open. the wind-Free panel until it is or vacuum cleaner. detached from the air conditioner.

  • Page 123: Installation

    12-5 Installation 12-5-1 Before Installation Keep the air conditioner outlet and inlet free from its surroundings.In case of installation, keep the symmetry and fix it to prevent vibration. The pipe length shall meet the standard as far as possible. 12-5-2 Installation Procedure ■ Location Install the product in an area to guarantee the best cooling eect, convenience of piping and elec- tric work, and inexistence of vibration or wind.

  • Page 124: Installation Diagram Of Indoor Unit And Outdoor Unit

    12-6 Installation Diagram of Indoor Unit and Outdoor Unit 12-6-1 Air-Purge Procedure 1) Connect each assembly pipe to the appropriate valve on Indoor unit Outdoor unit the outdoo Gas pipe side Liquid pipe side 2) Connect the charging hose of low pressure side of manifold gauge to the packed valve having a service port (3/8"...
  • Page 125 12-6-2 "Pump down" Procedure Pump down will be carried out when an evaporator is replaced or when the unit is relocated in another area. 1) Remove the caps from the 3 way valve and the 3 way valve. 2) Turn the 3 way valve clockwise to close and 3 way Valve connect a pressure gauge (low pressure side) to the service valve, and open the 3 way valve...
  • Page 126 Maintenance Procedures Performing the gas leak tests for repair Be familiar with the equipment details. Isolate the system electrically. In case of repair of the refrigerant circuit, the Before starting the process, make sure that: following procedure must be kept to consider flammability.

  • Page 127: Reference Sheet

    12-7. Reference Sheet Index for Model Name 10th 11th 12th 13th 14th Project Capacity Sell Feature Series Color Unit Export Item Item Reference Item Item Export 15 Year INVERTER HP R410A Export 16 Year INVERTER CO R410A Export 17 Year INVERTER HP R32 Export 18 Year...
  • Page 128 China http://gspn2.samsungcsportal.com Asia Middleeast & Africa http://gspn1.samsungcsportal.com This Service Manual is a property of Samsung Electronics Co., Ltd. © Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under November 2018 applicable International and/or domestic law.

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