Model #GLD4355RFB0, this tall tub dishwasher was no longer working and pressing any of the buttons didn't seem to make any difference. It appears that the dishwasher failed in the middle of a wash cycle because of the standing water in the tub. That along with noticing none of the lights on the control panel were working was indication enough that someone serious was wrong with this unit.



This dishwasher was not taking any input from the keypad and nothing was illuminated on the display which is a good indication that either there is no power going to the unit, or a significant dishwasher part has failed. After verifying the circuit breaker was in the on position at the panel, I removed the access panel to get to the junction box. This is where the household wiring connects to the machine wiring and is a logical place to look when nothing seems to be working. Using my meter to check for voltage, I found the expected 120 volts at the box leading me to believe it must be something wrong inside the machine.

After removing the control and door panels to get to the main board and door latch, I again did some voltage checks to see if voltage was finding it's way to this area. Both switches on the latch were working properly and I had voltage to the control board located behind it's own protective cover. Not much more to investigate because if voltage is going into a board, but nothing is coming out, the board must have failed. After removing the board and looking for any signs of damage which I didn't find any, I then installed a new control board in it's place.

With power turned back on at the breaker, I turned it off to change the board of course, the indicator lights and display can back on like nothing had ever been wrong. Starting a cycle to test all the component revealed everything was working, so it was time to put it all back together.

I usually suggest attempting to locate the reason for part failures, and in many cases, there is a logical path to follow. On some products, like this dishwasher, everything is monitored and powered by this one board. It is possible something caused the failure, but often times, it was just the boards time to go. And in reality, nothing works without the board so there isn't much to test unless the board is working. I know it's not the best form of trouble shooting, but sometimes I simply play the odds and replace the part.

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