Hi, I’m looking for advice on troubleshooting my dishwasher. There are no lights on the control panel. I have 120 vac to the thermal fuse and the fuse is good. I’m leaning towards a bad control board as I have had intermittent issues with the indicator lights on certain functions going dim or not coming on at all. Any body have any advice?
Denman, Thank you very much for the information. I did get the dishwasher back up and running last night. I unplugged the connector on the door switch to check continuity when open and closed. It worked properly. I also unplugged all the connectors to the control board. When I reconnected everything the unit started working again. I must’ve had dirty connections as none appeared to be loose. I am saving the info you sent me for future use if needed.
If it happens again you may want to try the following.
Connector Cleaning / Checking
Unplug the unit
Open it up
Remove the ribbon cable from the keypad to the control board at the control board.
Clean the edge connector. Use electronics contact cleaner or isopropyl alcohol.
If it is the type where there is not a connector just the insulation is removed, it can be cleaned with a pencil eraser. Do not use an ink eraser as it is too abrasive.
Check the tracks in the ribbon cable for hairline cracks. A magnifying glass helps here.
Would not hurt to clean the connector on the board. Use electronics contact cleaner or isopropyl alcohol and a tooth brush. Be gentle and do not reconnect till all the solvent evaporates.
Reconnect everything and give it a try.