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Why doesn’t my dishwasher work at all?
To avoid personal injury or death, disconnect your appliance from its power source before you start any troubleshooting or repair work. Use caution when working inside any appliance.
If your dishwasher doesn't work at all, check the power supply, door latch switch, selector switch and timer, and the wiring. If your model has a child lock-out feature, verify that the feature is set to the Off position. Make sure cycle has ended. Make sure the Delay Start option is not set for a delayed start.
If you can, verify that you have power at the dishwasher. This might be difficult because many dishwashers are wired directly into the household wiring under the counter. Usually only the portable dishwashers get plugged into a wall outlet. You will also want to check your fuse box or circuit breaker panel for a blown fuse or tripped breaker.
The door latch switch is a safety switch that prevents the dishwasher from working if it is defective. When working properly, the switch doesn't allow power through it when the plunger is out, and it allows power when the plunger is in. If the plunger is broken or if the internal parts are not working properly, power is stopped at the switch and it needs to be replaced.
The timer and the selector switch are other possibilities. If one of these is defective, your dishwasher won’t operate normally, and the part will need to be replaced.
Running the dishwasher regularly may help prevent any seals from drying out and sticking. This includes the motor seals.
Visually inspect the wiring to see if any looks disconnected or burned. Repair or replace as necessary.
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