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FIXED GE GDF620HMJ2ES main boards keep failing, getting random "door close" beeps throughout the day

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RedbeardPete

Premium Member
Joined
Jun 2, 2022
Messages
3
Location
Macon, GA
Model Number
GDF620HMJ2ES
Brand
GE
Age
6-10 years
I love this site, so helpful, thank you in advance for your assistance!

August 2021, dishwasher was on but would not start, would beep 3 times several seconds after hitting start button. Panel LEDs and buttons seemed to function. Found the service LED lit solid and replaced main board with a WD21X24900.
Dishwasher ran without issue until a month ago, or so, it started hearing the "door close" 3 beep chime randomly, at all times throughout the day and night.
Dishwasher stopped responding completely last week, no LEDs on panel. Main board service LED lit solid again, beeping randomly throughout the day.

I read here on a different model, it most likely needs a UI board:

And this one, same model:

For now I'm going to keep the breaker off when we're not using the thing, in case this is what jumbled the software on the prior main board.

I really want to find a root cause of what's wrong with this thing, if at all possible.
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
132,647
Location
Redmond, Oregon
When the STATUS LED on the machine control board underneath the dishwasher is STEADY ON that indicates the UI Board is the issue, especially since its doing the random beeping throughout the day when its not in use and no one is around it.

Here's the UI Board for your model you can order: WD21X23462 Kit Svc Ui Top Logic

Jake
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
132,647
Location
Redmond, Oregon
Yes, the new UI Board should fix it.:)

Yes, keep us posted.

Jake
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
132,647
Location
Redmond, Oregon
Excellent Pete, glad to hear the new UI Board fixed it.(y)

Thanks for the update!

Jake
 
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