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Kenmore 665.1646 dishwasher. A nearby lighting strike killed some electronic devices in our house. We have electricty to our dishwasher but the console will not light at all. The fuse, latch switch and overfill switch all check out good. We replaced the electronic control, 8539379, and still have no lights. What else could it be?


Answers :

Hi.

If you have tested fuse, overfill, latch, and you have a new electronic control, then it is necessarily a wiring problem. However, since wiring problem causing this after lighting is quite uncommon, I suggest double checking all the rest first:

We have electricty to our dishwasher but the console will not light

How do you know that there is power if all lights are off and there is no noise?
Power at the socket does not mean power to the dishwasher.
If there is no symptom and unit does not start at all. Techs do testing by reading volts at power board contacts. A way to test this with power off is reading Ohms between power plug prongs and power cord and power cord connection on the appliance, this will reveal if circuit is closed.

In the same way you test wiring.

How did you test the latch switch? The best test is done jumping its contacts.

If you have done all this, then the next step is reading impedance in different wiring harness points.

Note: overfill switch is not the problem, even if this is open the machine will start but will not fill. If machine starts but no fill, then overfill switch must be tested by jumping, and inlet valve must be tested (read Ohms, read volts energize, swap inlets contacts if dual etc).
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