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Pwb(pcb) Assm.,main

Part Number: AP4441103
MFG Part Number: 6871ER1003E
Made by: LG

Genuine LG part.

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Cross Reference Information

Part Number 6871ER1003E (AP4441103) replaces 1359882, AH3529945, EA3529945, PS3529945.

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How to Replace Pwb(pcb) Assm.,main #6871ER1003E

Step by step instructions on how to replace a Pwb(pcb) Assm.,main #6871ER1003E. Note: This video is intended to give you the general idea of the part replacement procedure. Your appliance may differ depending on the manufacturer and model.


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When I click the power button it starts but turns back OFF again. If I press and hold the power button pressed then I stays ON but I have not tried to see if starts to fill or wash. The PCB red LED is ON when I start the equipment. I tried again removing all wires except the ones for the control panel and the same behavior but this time I do get error message assuming is because of the missing devices. I know the control board for this washer/dryer has been discontinued and it is virtually impossible to find in the world so I wonder if this type of issue can be resolved replacing one of the analog components of the PCB?

Claudio for Model Number wm3677hw


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Hi ! I am looking for a Main board for LG washer/dryer combo. The part 6871ER1003E has been discontinued from LG and its no longer available. Can I use part 6871ER1003C? Thanks.

Pavel for Model Number WM3677WH


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I'm looking for a main control board 6871ER1003E from LG but that part has been discontinued from LG so I wonder if there is any substitute that I can get to replace that board?

Claudio S.


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Latest Questions

The motor assembly fan won't turn on unless you manually give it a push when it tries to engage. Today I tried replacing the motor assembly and fan with a new assembly and the same problem persisted. I also replaced the thermostat first in case it was involved, no luck. we purchased the unit form a friend who said they hadn't used the dryer feature for a year and that a repairman was unable to fix it. After a regular wash cycle an error code, "dHE," will appear as it attempts to engage the drying equipment. The heating element heats up until it trips the thermostat and then displays the error code, which occurs because the blower motor is not engaging. If I open up the fan and spin it with my finger as it tries to engage, it will then blow just fine and continue for the full 2+ hour drying cycle. I suspect that there is some part of the washer that is supposed to be converting AC current to DC but is failing, which causes the blower motor to seize instead of engaging properly. Is there any hope for this machine? Part 6871ER1003E is no longer available here- I was thinking that would be the next step to fixing the dryer function. Thanks

Carl for Model Number WM3667HW


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Hi, We have an LG Tromm Washer/ dryer combo unit. It is giving us a dE error code. We purchased and replaced the switch but still get the code. The door latches shut but does not actually lock. In the appliance chat, I was referred to you because the tech I was speaking to thought the problem may be the Main Control Board or main circuit board. What do you suggest we try? Thanks

Christine for Model Number WM3677HW


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We have an FE Error code and need to replace the Main Board and Inlet Valve for an LG Model WM3431HW Combination Washer/Dryer. I could not find the Main Board part number on your diagrams

Heath for Model Number WM3431HW


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