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GE Dishwasher GDT680SSH8SS UI not working?

kapdma

Premium Member
Joined
Jan 12, 2021
Messages
3
Location
Florida
Model Number
GDT680SSH8SS
Brand
GE
Age
1-5 years
Hi, I have a GE 2016 GDT680SSH8SS. The top buttons do not light up and are non-responsive. If I raise and lower the door, then sometimes the buttons would light up. However, now, they never light up and the are never responsive. After cycling power using the circuit breaker, the CSM green status LED will light up once briefly then never come on again.

Any suggestions?
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
115,891
Location
McMullen Valley, Arizona
Yes, the problem is usually the UI Board when that happens, but first check the door wire harness for any breaks in the wires in it.

Here's the UI(User Interface) board for your model:
User Control and Display Board WD21X22177


This video shows you how to replace it:

Here's the door wire harness for your model:
Harness Asm Door


Jake
 

kapdma

Premium Member
Joined
Jan 12, 2021
Messages
3
Location
Florida
The existing harness passed a continuity test and does not show signs of wear. I ordered the UI board. 🤞
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
115,891
Location
McMullen Valley, Arizona
Ok, sounds good. Let us know how it goes.

Jake
 

kapdma

Premium Member
Joined
Jan 12, 2021
Messages
3
Location
Florida
Replaced the UI board and it behaves just like the other board. It does nothing. I guess I need to replace the main control board. Is there any way to test it other than replace it?
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
115,891
Location
McMullen Valley, Arizona
That's odd, did the new UI Board come with instructions to set the jumpers?

Here's the machine control board for your model you can order:

This video shows you how to replace it:

Jake
 
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