Rank: Member
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Joined: 10/24/2007(UTC)
Posts: 98
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I am working on a Frigidaire dishwasher that will not go into a drain cycle. It goes into the wash cycle, skips the drain cycle and appears to rinse with the same old water. Dishes are dirty and water is old. I was thinking since it is skipping the drain it is the main control board. Any help or suggestions greatly appreciated. Thank you. I forgot to mention I do not hear the pump or motor run when it should be draining.
Mike
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Rank: Member
Groups: Registered
Joined: 8/12/2012(UTC)
Posts: 3
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I've got the exact same symptoms on mine.
Diagnosis is simple on a 100% electronic control board:
[LIST=1]
In drain cycle, there is power on the pump, but pump is not working when connected to 110V power: the drain pump need replacement or the drain is obstructed if pump engages but does not drain.
Drain pump is working when connected directly to 110V but there is no power supplied by the control board: If terminals on wiring are intact, one of the control board relays is likely toasted. You may risk replacing the 3$ relay connected to the pump wire with a soldering gun (just follow the wire color. On mine pump wire is connected to the K4 position relay on he board) or you may order a replacement control board at a cost of 110-200$ depending on the model. Such boards can be repaired at similar cost if not in stock. Relays are identified with a model number next to the manufacturer name or logo.
If your board has a mechanical timer, it needs full refurbishing or replacement.[/LIST]
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