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SYSTEM AIR CONDITIONER Model : JH035EAV Series JH026EAV Series UH035EAV Series UH026EAV Series Model Code : JH035EAV1 JH026EAV1 UH035EAV1 UH026EAV1 AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. Exploded Views and Parts List...
4-3-13 Cond temperature sensor error ..................4-25 4-3-14 Communication error between indoor/outdoor units (1min.) ........4-26 ........................ 4-3-15 Outdoor fan error 4-27 4-3-16 Discharge current error/ PFC over-current error ............4-29 4-3-17 Gas leakage error ......................... 4-30 ............................4-3-18 Other 4-31 Samsung Electronics...
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8-1 Indoor Unit ............................8-1-1 MAIN PCB ..........................8-1-2 Damper ....................................................8-1-3 Pcb Display 8-2 Outdoor Unit ............................. 9. Reference Sheet ..........................9-1 Index for Model Name ........................9-2 Refrigerating Cycle Diagram ......................9-3 Pressure Graph ..........................Samsung Electronics...
– There is a danger of electric shock. In case the product will not be in use for a long time, the battery of remote control should be kept separately. – Leakage of inside fluid can cause break down of remote control. Samsung Electronics...
Floor standing type Air Conditioner, Powerful on floor heating & cooling. MPI Zone (Air cleaning solution) Samsung’s Micro Plasma Ion Zone is a technology that generates activated hydrogen and oxygen ions, which exterminates viruses and allergy-causing microbes in the air by neutralizing them and turning into water.
Amount of basic refrigerant(NET) High pressure side 1/4" Connecting pipes Low pressure side 3/8" Additional amount of refrigerant(per 1m) chargeless Basic pipe length Max. allowable pipe length Max. allowable head drop for outside pipe Option code 087777-1380B6 087777-1580D8 Samsung Electronics...
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Disassembly and Reassembly Parts Procedure Remark Electrical Parts 1) Open the cover of Control Boxⓓ). ⓓ 2) Pull the PBA out along the slide guide. Cut the Cable tie. Pull all wires out from the PBA. Samsung Electronics...
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(one is top of the C-Box, the other is left of it) 6) Release 2 Hold Wires and pull all wires out from it . Blowing 1) Pull the Bracket Pipe(ⓔ )out. & Evap Part ⓔ 2) Release 2 screws and pull Top Discharge Kit(ⓕ) out. ⓕ Samsung Electronics...
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. This part is right side of the Bottom Discharge Kit(ⓖ). ⓗ 5) Pull Bottom Discharge Kit(ⓖ) Out from the bottom of it. 6) Release 3 screws and pull the Evap out from top to bottom direction. Samsung Electronics...
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ⓙ 3) Release 6 screw on the Body Back(ⓚ). ⓚ Pull the Cap MPI(ⓛ), Bracket Wire(ⓜ) ⓛ and Bracket Motor(ⓝ) out. ⓜ ⓝ 4) Pull the MPI Kit(ⓞ) and Motor(ⓟ) out from the Body Back(ⓚ). ⓞ ⓚ ⓟ Samsung Electronics...
Cabinet Front. (Use +Screw Driver.) 3) Separate the Cabinet Front as shown on the right picture. 4) Undo fixing screw to remove Plate Control Out on the Cabinet Side RH. (Use +Screw Driver.) Samsung Electronics...
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Cabinet Side RH. (Use +Screw Driver.) 6) Undo 3 fixing screws to assemble Bracket Valve on the Cabinet Side RH. (Use +Screw Driver.) 7) Undo 2 fixing screws on the Cabinet Side LF. (Use +Screw Driver.) Samsung Electronics...
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Ass’y Control Out. 2) Separate several Connectors from the PCB of the Ass’y Control Out. 3) Separate 2 Connect Wires from the Reactor. 4) Undo a fixing screw to assemble the Ass’y Control Out on the Partition. (Use +Screw Driver.) Samsung Electronics...
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(Use Monkey Spanner.) When separating Compressor, Heat Exchanger and pipes please ensure that Compressor is completely free from any remaining refrigerant then separate all pipes with welding torch. Ass'y Valve 4 Way 1) Separate 3 welded parts. Samsung Electronics 3-10...
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2) Separate the Terminal Cover and then Connect Wires from the Compressor. 3) Separate the Felt Comp Sound. 4) Undo 3 bolts on the flow of the Compressor as shown in the right-hand picture. (Use Monkey Spanner.) 3-11 Samsung Electronics...
Setting is not required if you must Every time you push the button, the display panel reads a value which has a default. . . . repeatedly. Samsung Electronics...
If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry. If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for its model. Samsung Electronics...
2. Outdoor unit error Main-Inverter Micom(After 1 minute of Main- (Display is unrelated with Inverter detection) operation) Flickering X Off On If you turn off the air conditioner when the LED is flickering, the LED is also turned off. Samsung Electronics...
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Error of setting option switches for optional acces- sories EEPROM error EEPROM option error MPI no feedback Error Flickering X Off On If you turn off the air conditioner when the LED is flickering, the LED is also turned off. Samsung Electronics...
Check the indoor PCB connector Indoor fan error 1 Time Operation-off Check the EEPROM data Indoor eeprom error 1 Time Operation-off Check the indoor's option Check the EEPROM data Indoor eeprom option error 1 Time Operation-off Check the indoor's option BLINK Samsung Electronics...
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3 Times Operation-off Check the outdoor fan operation normally Check the refrigerant is filled Check the connection status of compressor and if it IPM Over Current(O.C) operates normally 9 Times Operation-off Check for any obstacles around indoor/outdoor units BLINK Samsung Electronics...
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Check the fuse of indoor/outdoor units Check refrigerant is filled GAS Leak error(Dual/Single) 3 Times Operation-off Check the indoor EVA sensor Check the indoor unit's option code Capacity miss match Check the capacity of indoor unit's and outdoor 1 Time Operation-off unit's BLINK Samsung Electronics...
Operation-off sensor error error Check the resistance values of sensor Outdoor unit Excessive temperature emission Not an error (discharge temp. control) protection control error Outdoor sensor Power cable connection error Check the status of power connection Operation-off error Samsung Electronics...
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PCB error Check the fuse of indoor/outdoor unit Check refrigerant is filled Self-diagnosis Gas leakage error Operation-off Check the indoor EVA sensor error Outdoor unit Inconsistent volume Check the indoor unit’s option code Operation-off protection control error 4-10 Samsung Electronics...
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Normal operation controller control COM2 terminal of the indoor unit error Wired remote Wired remote controller COM2 Check the Dip switch for Com1 and Com2 Normal operation controller control setting option error is set to Com2 error Samsung Electronics 4-11...
Temp. (°C) (KΩ) 5.800 6.900 At that time, does the resistance value deviate from the 8.300 temp. table beside? 10.00 12.10 Indoor temp. sensor 14.70 self-defect (replacement) 18.00 Resume operation after replacing PCB 22.00 28.30 33.90 42.30 4-12 Samsung Electronics...
(KΩ) 5.800 6.900 At that time, does the 8.300 resistance value deviate from the temperature 10.00 table beside? 12.10 Indoor Heat Exchange temp. 14.70 sensor 18.00 self-defect (replacement) Resume operation after replacing PCB 22.00 28.30 33.90 42.30 Samsung Electronics 4-13...
Is Motor connector disconnected from the PCB? Resume operation after connecting to the connector PCB Is there any clogging (binding) of foreign substances in the MotorFan? Resume operation after removing the foreign substances. Resume operation after replacing PCB 4-14 Samsung Electronics...
PCB and connector After reconnecting the communication line that links outdoor and indoor units, remove communication connector in the indoor PCB. If communication does not work during operation, replace PCB of the indoor unit. Good defect +0.7V -0.7V Samsung Electronics 4-15...
(necessary component missing in EEPROM circuit part/ damage/ soldering defect) Resume operation after repairing it according to P8-2 circuit diagram’s EEPROM part, P6~6-10 component list. If problem occurs during re-operation, replace PCB Resume operation after replacing PCB 4-16 Samsung Electronics...
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PCB Measure the amount of Ion with tester. MPI Kit Tester: ITC201A 100,000. HE NUMBER OF MEASURED ON IS MORE THAN Normal operation Change the MPI Kit (it’s out of the work) Samsung Electronics 4-17...
Main PCB Bridge 10de replacement (DB300) DC265V~DC357V? Is reactor 1 and 2 Connect the connection wire of the reactor (reactor connection wire) properly connected to the reactor? Power ok? Replace outdoor unit PCB for Outdoor MICOM defect. Finish 4-18 Samsung Electronics...
1. Inspection items 1) Is compressor operating properly? 2) Is there a connection between input power and power? 2. Inspection order Is EMI PCB and Turn off the power then reconnect Inverter PCB connected properly? Replace PCB Samsung Electronics 4-19...
Are the values for current sensing resistance within Resistance replacement R418-19m -21m Is resistance value of the different compressor phases Compressor replacement (U V, V W, W U) less than 2Ω? Continue (continued on the back) 4-20 Samsung Electronics...
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Turn off the power then temperature sensor and measurement value reconnect the cable normal? Is the connection Turn off the power then cable between the compressor and PCB correct the sensor location or replace it properly connected? Replace PCB Samsung Electronics 4-21...
Compressor phases (UV, V W, W U) less than 2Ω? Is the resistance Replace the Compressor between the Compressor body and chassis Maga Ω? Is the Compressor connection line properly connected to the Check the connection line Compressor? Replace the outdoor unit’s PCB 4-22 Samsung Electronics...
Replace PCB after turning off the power the voltage of both sides. Do they indicate DC1V~DC4V? Is there a Replace temperature sensor after turning short circuit or defective contact in off the power the sensor wires? Replace PCB after turning off the power Samsung Electronics 4-23...
Replace PCB after turning off the power the voltage of both sides. Do they indicate DC1V~DC4V? Is there a Replace temperature sensor after turning short circuit or defective contact in off the power the sensor wires? Replace PCB after turning off the power 4-24 Samsung Electronics...
Replace PCB after turning off the power the voltage of both sides. Do they indicate DC1V~DC4V? Is there a Replace temperature sensor after turning short circuit or defective contact in off the power the sensor wires? Replace PCB after turning off the power Samsung Electronics 4-25...
Replace PCB of the outdoor unit block F1–F2, less than DC5V? after turning off. When measuring F1–F2, the outdoor terminal block, if the voltage varies (communicates) below DC5V, the connection status of the connection line is normal. 4-26 Samsung Electronics...
No.1 and No. 3 pin of the the voltage of the no.13 pin of the outdoor unit CN01 between 1V~5V? the IC01 (MICOM)? Replace the main PCB of the Defective MICOM outdoor unit Continue (continued on the back) Samsung Electronics 4-27...
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CN71 Is there any change in the voltage of the Replace the main PCB of the no.13 pin of the IC01 outdoor unit (MICOM)? Replace the main PCB of the Replace BLDC fan motor outdoor unit 4-28 Samsung Electronics...
Is the outdoor unit installed correctly? Reinstall after removing obstacle Is indoor unit installed correctly? Reinstall after removing obstacle Replace the compressor Is the compressor operating normally? Open valves Is the service valve open completely? Replace PCB Samsung Electronics 4-29...
Compressor phases (U V, V W, W U) less than 2Ω? Is the service valve open completely? Open valves Is the indoor EVA sensor connected properly? Reconnect the sensor connector ace th Is refrigerant filled? Replace the outdoor unit’s PCB 4-30 Samsung Electronics...
Check the connection between input power and the power is okay then replace the PCB 5. AC zero Crossing signal out error Check the connection between input power and the power is okay then replace the PCB 6. Inconsistent volume Check the option code of the indoor unit. Samsung Electronics 4-31...
#1. DC 12V #2~#5. Control SIGNAL #2.Communication Signal F2 #2~#5.Communication Signal #1. Communication Signal F1 #2. Communication Signal F2 CN20-MICOM Download2 CN10-MICOM Download1 > For Developer,Not for field >For Developer, Not for field > 7pin Downloader >10pin Downloader Samsung Electronics...
PCB Diagram and Parts List Outdoor Unit (cont.) Display CN952(4PIN/WHT) : Display CN951(10PIN/WHT) : Display #1~4 : Receive signals from the Main #1~7 : 7-SEGMENT signal #8~10 : Receive KEY operation signals from the Main Samsung Electronics...
Wireless Part Remote Dip S/W control receive BLDC Fan Motor Part Display. Part Fan motor BLDC Part Ventilator (option) 4way. Part Communication. Part Comp. Part Outdoor Unit Intdoor Unit This Document can not be used without Samsung’s authorization. Samsung Electronics...
8. Schematic Diagram 8-1 Indoor Unit 8-1-1 MAIN PCB BLDC CONTROL Part MPI Part SENSOR Part E485 COMMUNICATION Part DOWNLOAD Part DAMPER Part DISPLAY Part ADDRESS CONTROL Part This Document can not be used without Samsung’s authorization. Samsung Electronics...
8-2 Outdoor Unit INVERTER Fan Motor Drive Unit Inverter SMPS Micom Communication OPTION This Document can not be used without Samsung’s authorization. Samsung Electronics...
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Schematic Diagram Schematic Diagram INVERTER (cont.) Temp. Sensor Part & EEV part 485 Communication Circuit Part This Document can not be used without Samsung’s authorization. Samsung Electronics...
Using a hex wrench, turn the needle valve counterclockwise to open the valve. It is used for vacuuming, gas drain, refrigerant injection, refrigerant purge, and indoor-outdoor units connection. Accumulator It prevents liquid refrigerant from flowing into the compressor. (If liquid refrigerant enters the compressor, it becomes overloaded) Samsung Electronics...