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GE Dishwasher won't start / no lights (GDT655SSJ0SS)

rotorhead87

Premium Member
Joined
Jan 8, 2022
Messages
2
Location
Texas
Model Number
GDT655SSJ0SS
Brand
GE
Age
6-10 years
I have a GE dishwasher model GDT655SSJ0SS, and there are no LEDs on the control panel. I verified 120V going to the main control board, and the LED on the control board flashes 1x per 3 seconds (which as far as I can tell means its not running and nothing else). It won't go into CSM mode (hold the Cycle Select and Start buttons simultaneously for 5 seconds). The only thing it does is that when power is applied, the cover for the dish soap pops open.

I replaced the main control board with no change. I've looked at the service manual and I'm not sure what to do next apart from maybe checking the door harness. Is there anything else?
 

rotorhead87

Premium Member
Joined
Jan 8, 2022
Messages
2
Location
Texas
I just disassembled the door and its getting 14v to the UI board. Is there anything else other than the UI board? Or is it possible that the replacement board was also faulty?
Edit: it looks like ifts its getting voltage to the UI board and it doesn't work, then thats the problem. Does anyone know of any components I can test on the board itself? I have lots of experience with board repair, but I haven't taken the board out look at it yet.
 
Last edited:

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
130,198
Location
Redmond, Oregon
If your getting 14 volts DC to the UI Board that means your machine control board is good. So the problem is the UI Board.

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

Here's the instructions to replace the UI Board below. Disconnect power to the dishwasher before you begin.

You will need to remove the whole door, then separate the door, then remove the front control console, to replace the UI Board.

Here's the service manual for your model: https://drive.google.com/open?id=1M-G9W3HiaYnihdB5Cy-jfSPoVf8DZ7j7

Page 28 Door Removal
Page 30 Separate Door
Page 31 Front Control Console Removal
Page 32 UI Removal

NOTE--->When replacing UI control boards, the new UI Board MUST be configured as per the instructions included with the replacement. If the personality is not set by using the 4 jumpers, the buttons, LED’s or cycles will not function properly.

Let us know how it goes.

Jake
 
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