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Pcb Assembly,main

Part Number: AP4439539
MFG Part Number: 6871DD1006E
Made by: LG

Genuine LG part.

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Cross Reference Information

Part Number 6871DD1006E (AP4439539) replaces 1359791, AH3529864, EA3529864, PS3529864.

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After a few minutes, the dishwasher displays an OE error on the display. The filter is clean and the drain line is open. I replaced the pump motor and the OE still displays. How do I verify it is a PCB control board and how do I know what control board to purchase.

John for Model Number LDF7551ST/WW/BB


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For the LG PCB main assembly there is a note to check the serial number. (my dishwasher is 511KW00025) What do I check it to or with?

Mark for Model Number LDF7811ST


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