Repair Riot

Dishwasher Won't Turn On No Lights

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Quick answer

Check the power supply, circuit breaker, and door latch. If no power is detected, reset the circuit breaker. If the dishwasher still doesn't turn on, consult a professional.

Confirm the symptom

Tools and prep

Step-by-step troubleshooting

  1. Check Power Supply
    Do: Verify the dishwasher is plugged in and the outlet is working.
    Observe: Outlet powers other devices.
    Means: Power supply is functional.
    Next: Check circuit breaker
  2. Check Circuit Breaker
    Do: Locate and inspect the circuit breaker for the dishwasher.
    Observe: Breaker is tripped or damaged.
    Means: Tripped breaker may be the cause.
    Next: Reset the breaker
  3. Reset the Breaker
    Do: Turn the breaker off and then back on.
    Observe: Breaker stays on without tripping.
    Means: Breaker was tripped and reset successfully.
    Next: Test the dishwasher
  4. Test the Dishwasher
    Do: Turn on the power and attempt to start the dishwasher.
    Observe: Dishwasher turns on and lights illuminate.
    Means: Issue was resolved by resetting the breaker.
    Next: Done
  5. Inspect Door Latch
    Do: Check if the door is properly closed and latched.
    Observe: Door is securely closed and latched.
    Means: Door latch is functioning correctly.
    Next: Check control panel
  6. Check Control Panel
    Do: Look for any error messages or signs of damage on the control panel.
    Observe: Control panel shows no errors or damage.
    Means: Control panel is likely not the issue.
    Next: Test with multimeter
  7. Test with Multimeter
    Do: Use a multimeter to check for power at the dishwasher's electrical connections.
    Observe: Multimeter shows no power.
    Means: There may be an issue with the wiring or electrical supply.
    Next: Consult a professional

Common causes

CauseLikelihoodDifficultyPart often needed
Tripped Circuit Breaker
Overload or short circuit in the electrical system.
CommonEasyNone
Power Supply Issue
Dishwasher is not receiving power from the outlet.
CommonEasyNone
Faulty Door Latch
The door latch is not engaging properly, preventing the dishwasher from turning on.
SometimesEasy–MediumDoor latch assembly
Defective Control Panel
The control panel is not receiving or sending power signals.
SometimesMediumControl panel
Wiring Issues
Loose or damaged wiring prevents power from reaching the dishwasher.
RareHardWiring harness
Main Control Board Failure
The main control board is malfunctioning, preventing power from being distributed.
RareHardMain control board

Parts matching

Common parts needed for a dishwasher that won't turn on and has no lights include:

Always refer to your dishwasher's owner's manual for specific part numbers and compatibility.

When to call a professional

FAQ

Can a faulty door latch prevent the dishwasher from turning on?

Yes, if the door latch is not properly engaged, the dishwasher will not start to ensure safety.

How do I know if the circuit breaker is tripped?

A tripped breaker will usually be in the middle position or slightly off. Reset it by turning it fully off and then back on.

Is it safe to use a multimeter to check the dishwasher's power supply?

Yes, as long as you follow the manufacturer's instructions and take proper safety precautions, such as turning off the power before testing.

What should I do if the control panel is not working?

If the control panel is unresponsive or shows no signs of power, it may be defective and require replacement by a professional.