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Samsung WF42H5200AP Service Manual
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Samsung WF42H5200AP Service Manual

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SERVICE
WASHING MACHINE (DRUM)

WASHING MACHINE

DRUM TYPE
Basic Model : WF405ATPAWA/A2
Model Name : WF42H5200AP
WF42H5200AF
WF42H5200AW
(WF5000HA-PJT)
Model Code : WF42H5200AP/A2
WF42H5200AF/A2
WF42H5200AW/A2
(WF5000HA-PJT)
Manual
1. Safety Instructions
2. Features and Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference
CONTENTS

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Summary of Contents for Samsung WF42H5200AP

  • Page 1: Washing Machine

    WASHING MACHINE DRUM TYPE Basic Model : WF405ATPAWA/A2 Model Name : WF42H5200AP WF42H5200AF WF42H5200AW (WF5000HA-PJT) Model Code : WF42H5200AP/A2 WF42H5200AF/A2 WF42H5200AW/A2 (WF5000HA-PJT) SERVICE Manual WASHING MACHINE (DRUM) CONTENTS 1. Safety Instructions 2. Features and Specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. PCB Diagram 6.

  • Page 2: Table Of Contents

    CoNTeNTS 1. Safety instructions ..............1 1-1.

  • Page 3: Safety Instructions

    1. SAFeTy INSTRuCTIoNS 1-1. SAFeTy INSTRuCTIoNS FoR SeRvICe eNgINeeRS ► Be sure to observe the following instructions to operate the product correctly and safely to prevent possible accidents and hazards while servicing. ► Two types of safety symbols, Warning and Caution, are used in the safety instructions. Hazards or unsafe practices that may result in severe personal injury or death. WARNINg Hazards or unsafe practices that may result in minor personal injury or property damage. CAuTIoN WARNINg BeFoRe SeRvICINg...
  • Page 4 WARNINg WHILe SeRvICINg • Check if the power plug and outlet are damaged, flattened, cut or otherwise degraded. √ If faulty, replace it immediately. Failing to do so may result in electric shock or fire. • Completely remove any dust or foreign material from the housing, wiring and connection parts. √ This will prevent a risk of fire due to tracking and electrical hazard.. • When connecting wires, make sure to connect them using the relevant connectors and check that they are completely properly. √ If tape is used instead of the connectors, it may cause fire due to tracking. • Make sure to discharge the PBA power terminals before starting the service. √ Failing to do so may result in a high voltage electric shock. • When replacing the heater, make sure to fasten the nut after ensuring that it is inserted into the bracket-heater. √ If not inserted into the bracket-heater, it touches the drum and causes noise and electric leakage. WARNINg AFTeR SeRvICINg • Check the wiring. √ Ensure that no wire touches a rotating part or a sharpened part of the electrical harness. • Check for any water leakage. √ Perform a test run for the washing machine using the standard course and check whether there is any water leakage through the floor section or the pipes. • Do not allow consumers to repair or service any part of the washing machine themselves. √ This may result in personal injury and shorten the product lifetime.
  • Page 5 CAuTIoN BeFoRe SeRvICINg • Do not sprinkle water onto the washing machine directly when cleaning it. √ This may result in electric shock or fire, and may shorten the product lifetime. • Do not place any containers with water on the washing machine. √ If the water is spilled, it may result in electric shock or fire. This will also shorten the product lifetime. • Do not install the washing machine in a location exposed to snow or rain. √ This may result in electric shock or fire, and shorten the product lifetime. • Do not press a control button using a sharp tool or object. √ This may result in electric shock or damage to the product. CAuTIoN WHILe SeRvICINg • When wiring a harness, make sure to seal it completely so no liquid can enter. √ Make sure that they do not break when force is exerted. • Check if there is any residue that shows that liquid entered the electric parts or harnesses. √ If any liquid has entered into a part, replace it or completely remove any remaining moisture from it. • If you need to place the washing machine on its back for servicing purposes, place a support(s) on the floor and lay it down carefully so its side is on the floor. √ Do not lay it down on its front. This may result in the inside tub damaging parts. Safety Instructions _ 3...
  • Page 6 CAuTIoN AFTeR SeRvICINg • Check the assembled status of the parts. √ Now is a good time to inspect your work. Review all connections and wiring, including mounting hardware. • Check the insulation resistance. √ Disconnect the power cord from the power outlet and measure the insulation resistance between the power plug and the grounding wire of the washing machine. The value must be greater than 10MΩ when measured with a 500V DC Megger • Check whether the washing machine is level the floor with respect to the original position of the washing machine prior to service. By doing this now will reduce for the need of customer dissatisfaction and redo call. √ Vibrations can shorten the lifetime of the product. 4 _ Safety Instructions...

  • Page 7: Features And Specifications

    Features Description • BUBBLE Technology’s Engine generates foam by dissolving detergent with air and water before the normal cycle starts. Foam allows detergent to distribute evenly and penetrate fabrics 2.5 times faster than high efficiency detergent and deeper. Perfectly dissolved detergent by bubble generator penetrates very quickly and widely. BuBBLe - BUBBLE Technology’s Engine generates foam by dissolving detergent with air and water before the normal cycle starts. Foam allows detergent to distribute evenly and penetrate fabrics 2.5 times faster than high efficiency detergent and deeper. - Samsung’s effective BUBBLE delivers perfect cleanliness even with delicate fabrics without any damages . • Samsung’s new SpeedSpray technology saves you time by shortening wash times SpeedSpray™ while still keeping all portions of the washing process and getting your clothes clean. • Samsung’s Smart Care, an automatic error-monitoring system, detects and Smart Care diagnoses problems at an early stage and provides a quick and easy solution. • Clean your drum with one button! This Pure Cycle is specially designed to remove PureCycle™ detergent residue and dirt buildup in the tub, diaphragm, and on the door glass (Tub Cleaning cycle) without the need for special chemical detergents. (The cycle is run without clothes.) • The Deep Steam feature boosts cleaning performance and loosens grime and dirt,...
  • Page 8 Features Description Diamond Drum • The washing performance has improved and potential damage to the clothing has been minimized. (The size of the holes on the diamond drum has been reduced for minimizing damage to the clothing/garment.) - The embossed wall of the drum serves as a washboard, dramatically increasing the washing performance compared with existing drum washing machines, which uses the power of the difference in elevation only. - The size of holes has been reduced drastically, maintaining the optimal wash performance (Washing Cost 1.0) while saving on water and electricity required for washing. - The structure of the holes on the diamond drum was redesigned to minimize potential damage to the clothing. Conventional Fabric Diamond Drum Fabric 6 _ Features and Specifications...

  • Page 9: Specifications

    2-2. SPeCIFICATIoNS Model WF42H5200A* Wash type FRONT LOADING WASHER A: High-overall 38.7” (984) B: Width 27.0” (686) Dimension (Inches / mm) C: Depth with door open 90º 51.2” (1300) D: Depth 33.0” (838) Water pressure 20-116psi(137-800kPa) Weight 88kg (194 lb) Heater Rating 900 W Washing 120 V 300 W Washing and heating 120 V 1200 W...

  • Page 10: Comparing Specifications With Existing Models

    2-3. CoMPARINg SPeCIFICATIoNS WITH exISTINg MoDeLS grade WF5000HA yuKoN BeTTeR WF42H5200AP WF431ABW Model Name WF42H5200AF WF431ABP WF42H5200AW Image Capacity (cu.ft / IEC) 4.2cu.ft 4.5cu.ft Motor type DD Motor DD Motor Max RPM 1,200 1300 heater(900w) Main Spec Diamond Drum Washing Cycle# Delay wash 24hrs 24hrs Tilted Drum 10° 10° Sound Pressure Ave 58dBA Ave 56.3dBA...

  • Page 11: Options Specifications

    2-4. oPTIoNS SPeCIFICATIoNS Item Code Remarks BOLT SPANER DC60-40146A Default ASSY HOSE WATER DC97-15648A Default ASSY HOSE WATER DC97-15648B Default MANUAL USERS DC68-03397A Default CAP-FIXER DC67-00307A Default HOSE HANGER DC62-10278A Default Note • Customer can purchase additional water supply and drain hoses from a service center. Features and Specifications _ 9...

  • Page 12: Disassembly And Reassembly

    3. DISASSeMBLy AND ReASSeMBLy 3-1. TooLS FoR DISASSeMBLy AND ReASSeMBLy Tool Type Remarks 10mm Heater (1) Socket Wrench with 13mm Motor (1), Balance (5), 2 holes of each left and 6” Extension right of the shock absorber 1 Pulley hole 19mm 10mm Replaceable for the box driver. Open End 13mm Since the bolt runs idle when the box driver is wrench used, use the box driver 17mm. 19mm Tool to protect the idle and abrasion of the bolt Vice pliers for the box driver. Others General tools for the after service. (Driver, Nipper, Long nose) JIG for the Tub 1 (Disassemble and Assemble) 10 _ Removal and Reassembly...

  • Page 13: Standard Disassembly Drawings

    3-2. STANDARD DISASSeMBLy DRAWINgS ► This is a standard disassembly diagram and may differ from the actual product. Use this material as a reference when disassembling and reassembling the product. Part Figure Description 1. Remove the two screws holding the Top Cover at the back of the unit. 2. Remove the top-cover by lifting it up after pulling it back about 15mm. ASSy CoveR ToP Water valve Noise filter 3. With the top cover removed you will now have access to service the Water pressure sensor, EMI Noise Filter, Hot and Cold Water Valves, Hose Draw ASSY. Sensor pressure Removal and Reassembly _ 11...
  • Page 14 Part Figure Description 1. Remove the 2 screws at the top of the ASSY- PANEL CONTROL. 2. Hold the ASSY-PANEL CONTROL while pulling it upwards and release the hook to remove it. MAIN-PCB AND SuB-PCB PANeL 3. Carefully disconnect the two wiring connectors by hand. 4. Remove the 8 screws holding the PCB and release the hooks on both sides to remove the PCB for repair / replacement. 12 _ Removal and Reassembly...
  • Page 15 Part Figure Description • Seperate the Wire-Diaphragm with the Long-nose from the Front-Frame. 1. Remove the Diaphragm. 2. Remove the 4 screws holding the FRAME-FRONT. 3. Remove the 2 screws holding the bottom of the FRAME-FRONT. FRAMe FRoNT 4. Untie the hose. 5. Remove the 3 screws. 6. Push both hooks. 7. Disconnect the terminal for the DOOR-LOCK switch. Removal and Reassembly _ 13...
  • Page 16 Part Figure Description • Remove the 2 screws holding the Back-Cover at CoveR-BACK the back of the washing machine 1. Remove the one bolt for the DD Motor. DD MoToR 2. Remove the 6 screws. 1. Remove the Top Assy-Plate. 2. Disconnect the 5 water valve connectors. WATeR SuPPLy vALve 3. Remove the 4 screws securing the Hot and Cold water supply valves. 14 _ Removal and Reassembly...
  • Page 17 Part Figure Description The Hook type water level sensor Water valve Noise filter ► Disassembly 1. Separate the Top Assy-Plate. Sensor pressure 1. To remove the water lever sensor, push it slowly in the direction of the arrow shown in the figure on the left. Since this disassembly method uses the elasticity of the water level sensor hook, imposing too strong a force may damage it. WATeR LeveL SeNSoR (The Hook type) 2. While a force is imposed on the water lever sensor as directed in step 1, pull the hook in the direction of the arrow until it is removed from the bracket spring. 3. Impose a force slowly in the direction of the arrow designated in the figure on the left until the hook is removed. Then remove the water level sensor. ► Assembly 1. Connect the pressure hose to the body of the water level sensor and lock it using the clamp.
  • Page 18 Part Figure Description 1. Remove the 2 screws holding the Door Hinge and separate the door. DooR HINge 2. Remove the 15 screws holding the Holder Glass, separate the Holder Glass and replace the hinge. 1. Push the Cover-Filter downwards to release the latch. 2. Drain the remaining water through the drainage hose. DRAIN PuMP Be sure to use a small bowl to collect the water collected from the drain hose. 3. Separate the Drain Filter by turning it counterclockwise. Since the remaining water may flow out, place a bowl underneath it when separating the filter.. 16 _ Removal and Reassembly...
  • Page 19 Part Figure Description 4. Remove the 2 screws holding the Drain Pump. 5. Drain the remaining water through the drainage hose. DRAIN PuMP (Continued) 6. Disconnect the wire connector. 7. Push it back and lift it up. * Check Points for Troubleshooting 1. Separate the Drain Filter and check for any alien substances inside the pump (e.g. coins, buttons .., etc.) → Remove if found. 2. Check the wire connector for the Drain Pump ASSY hasn’t come loose. Reconnect if necessary. 3. When water leaks, check the assembly status of the Clamp Hose, and Cap Drain → Take the relevant countermeasure if necessary. Turn the filter cap counterclockwise, clean and remove any material that has collected. Removal and Reassembly _ 17...
  • Page 20 Part Figure Description 1. Open the Door. Seperate the Wire-Diaphragm with Long-nose plier and remove it from the Front Frame Since the Diaphragm can be damaged when removing it, remove it slowly in one direction. 2. Remove the 3 screws. DooR-LoCK S/W 3. Remove the screw holding the Door-Lock S/W. Remove the Door-Lock S/W. Remove the connection wire. (Remove the connector after releasing it by pressing the latch.) 1. Remove the 3 bolts from the balance weight. 2. Seperate the Connection Housing(3). Heater Remove the nut holding the heater and the heater. 3. Remove the heater from the Tub. Caution Make sure to insert the Heater into the correct position of the bracket inside the Tub when reassembling it. Otherwise, there is a risk of fire. 18 _ Removal and Reassembly...

  • Page 21: Troubleshooting

    4. TRouBLeSHooTINg 4-1. eRRoR MoDeS ► This is a washer integrated error mode. For detailed information, refer to the general repair scripts. error Type For uSA Causes Remarks - The part of the hose where the water level sensor is located is damaged (punctured). - The hose is clogged with foreign material. - The hose is folded. - Too much lubricant has been applied to the insertion part of the Water Level air hose. Sensor - Hose engagement error. (disengaged) - Part fault. (Faulty internal soldering)
  • Page 22 error Type For uSA Causes Remarks - Check the consumer’s power conditions. : Make sure to check the operating voltage. Connect a tester to the internal power terminals during the Boil or Dry operations and observe the washing machine’s operation carefully. Power error 9E1,9E2 : Check the voltages. (An error occurs when under or over voltage is supplied.) : Check whether a plug receptacle is used. When the connecting wire is 1m, a momentary low voltage may drop up to 10 V - Main PBA fault (sometimes) - The signals between the sub and main PBAs are not sensed because of commuication error. - Check the connector connections between the sub and main PBAs carefully. → Check for incorrect or loose connections, etc. - Remove the sub PBA C/Panel and check for any faulty soldering. - The signals between The DR Module and main PBAs are not sensed because of commuication error. - Check The connector connections between The DR Module and main PBAs carefully.
  • Page 23 error Type For uSA Causes Remarks - A switch contact error because of a deformation of the door When the door is not hook. opened after the door open operation. - When the door is pulled by force. When the door is not - This occurs in the Boil wash because the door is pushed due locked after the door to a pressure difference from internal temperature changes. Door error close operation. - The door lock switch terminal is connected incorrectly. - The door lock switch terminal is broken. - This occurs intermittently because of an electric wire leakage - Main PCB fault. - The washing heater is short-circuited or has a wire disconnected. - The washing heater in the tub has an error. If the heater has no (Contact error, temperature sensor fault) error, this occurs Heater error HE,HE1 - If the water level sensor operates without water because water because of a PBA relay...
  • Page 24 error Type For uSA Causes Remarks - Error detected in the Mems PBA or data error detected. Check the wire connections. Mems PBA error Replace if necessary. Detected 1. Check the wire connections. 2. Replace the Mems PBA. System error - Micro Controller Operation Fail. Replace Assy PCB. 22 _ Troubleshooting...

  • Page 25: Corrective Actions For Each Error Code

    4-2. CoRReCTIve ACTIoNS FoR eACH eRRoR CoDe Troubleshooting _ 23...
  • Page 26 24 _ Troubleshooting...
  • Page 27 Troubleshooting _ 25...
  • Page 28 26 _ Troubleshooting...
  • Page 29 Troubleshooting _ 27...

  • Page 30: Pcb Diagram

    5. PCB DIAgRAM 5-1. MAIN PCB ► This Document can not be used without Samsung’s authorization. Location Part No. Function Description Location Part No. Function Description Smart dispenser Connection Supply power to the dispenser PBA and provides a CN11 PBA Power Supply Supply 120V of AC power. Port communications function. Main Relay Be Supplied PBA power when the Power button is pressed. Supply power to the sensor and provides a communications Sensor Connection Port function. Dry Heater Relay The switch for the Dry Heater power. Supply power to the LCD PBA and provides a communications LCD PBA Connection Port function. Washing Heater Relay The switch for the Washing Heater power.

  • Page 31: Connector And Relay Port Part Detailed Manual (Main Pcb)

    5-2. CIRCuIT DIAgRAMS oF MAIN PARTS FoR MAIN PCB ► This Document can not be used without Samsung’s authorization. ► CN6 ► CN9 1. Ground 1. 3.3V 2. Door SW signal 2. RX_FROM_TEST 3. Leakage signal 3. TX_TO_TEST 4. DRY_AIR_TEMP signal 4. CGND 5. DRY_CON_TEMP signal 5. BOOT 6. Water TEMP signal 7. Water Leakage out signal 8. Water Leakage in signal ► CN7...

  • Page 32: Inverter Pcb

    5-3 INveRTeR PCB ▶ This Document can not be used without Samsung’s authorization. Location Part No. Function Description Communication Communication with MAIN Hall Sensor Sensing Hall signal Motor Output MOTOR 3-Phase Output AC Power Source Supply AC Power JTAG Connector Debugging connector (Deleted in massproduction) Flash Writing Port Writing Flash memory 30 _ PCB Diagram...

  • Page 33: Connector Port Part Detailed Manual (Inverter Pcb)

    5.4. CIRCuIT DIAgRAMS oF MAIN PARTS FoR INveRTeR PCB ► This Document can not be used without Samsung’s authorization. ► CN2 ► CN6 ► CN1 1. 5V 1. MAIN Communications signal 1. Motor signal (U) 2. HALL A sensor signal 2. Motor signal (V) 2. MAIN Communications signal 3. HALL B sensor signal 3. Motor signal (W) 3. Ground 4. Ground ► CN5 1. L line 2. N line...

  • Page 34: Sub Pcb

    5-5. SuB PCB ► This Document can not be used without Samsung’s authorization. Location Part No. Function Description Buzzer Circuit Be generated sound when the menu key is pressed or the encoder is operated, the menu is closed. SUB PBA LED DISPLAY Wire Connect the LED and DISPLAY. CN601 Connect CN701 Drum Light Turn on when door is opened. CN401 FLASH WRITING WRITING PROGRAMME TO SUB. CN201 GRAPHIC PBA Connection Port For communications with Graphic PBA. CN402 TOUCH PBA COMMUNICATION SUPPLY POWER TO TOUCH PBA AND COMMUNICATION TO SUB PBA 32 _ PCB Diagram...

  • Page 35: Connector Port Part Detailed Manual (Sub Pcb)

    5-6. CIRCuIT DIAgRAMS oF MAIN PARTS FoR SuB PCB ► This Document can not be used without Samsung’s authorization. ► CN601 1. Empty Pin 7. Led Signal 2. Led Signal 8. Led Signal 3. Led Signal 9. Led Signal 4. Led Signal 10. GROUND 5. Led Signal 11. JOG Signal 6. Led Signal 12. JOG Signal 13. Empty Pin ► CN201 1. Communications Port(Rx) 2. Communications Port(Tx) 3. Reset Signal input 4. 5V 5. GROUND...

  • Page 36: Wiring Diagram

    6. WIRINg DIAgRAM 6-1. WIRINg DIAgRAM ► This Document can not be used without Samsung’s authorization. █ ReFeReNCe INFoRMATIoN BLACK BLUE GREEN GRAY NATURAL ORANGE PINK SKyBLu SKYBLUE VIOLET WHITE YELLOW 34 _ Wiring Diagram...

  • Page 37: Reference

    7. ReFeReNCe 7-1. PRoJeCT NAMe MoDeL NAMe IN THe MARKeT BoM MoDeL CoDe ► Region or Type ► Color ► Capacity ► Buyer Code ► Drum Machine Classification A : N.America W:WHITe 7.5 kg = 75 WF:Drum-Washer(Big size) g:gray L : L.America WW:Drum-Washer(Standard) 10 kg = 10 S:SILveR E : Euro WD:Drum-Combo 5.0 cuft = 50 R : CIS...
  • Page 38 This Service Manual is a property of Samsung Electronics Co.,Ltd. © 2014 Samsung electronics Co.,Ltd. All Any unauthorized use of Manual can be punished under applicable rights reserved. International and/or domestic law. 14 Nov. 2014...

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