Dishwasher Won't Start — How to Fix It
When a dishwasher won't start — no lights, or lights but no run — the cause is usually simple: the door isn't latched, a control lock is on, or it lost power. Work through these before calling anyone.
1. Make Sure the Door Latches
The dishwasher will not start unless the door latch fully engages and tells the control the door is shut. Push the door firmly until it clicks. If the latch is worn or a rack is sticking out, it won't catch — inspect the latch and strike.
2. Check for Control Lock / Child Lock
Most dishwashers have a control-lock or child-lock feature that disables the buttons. Look for a lock icon on the display. Hold the lock button (often the one labeled with a lock, or a specific combo) for 3 seconds to turn it off.
3. Check for Delay Start
A delay-start setting makes the dishwasher sit silently until the timer runs out. Cancel any delay-start (often hold Cancel/Start) and try again.
4. Check Power
A completely dark panel means no power. Check the breaker, and the wall switch under the sink that many dishwashers are wired to (it gets bumped off accidentally). Confirm the door is closed and the unit has power before suspecting the control board.
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FAQ
Most often the door isn't fully latched, a control/child lock is on, a delay-start timer is set, or it lost power at the breaker or the under-sink switch. Check those in order.
Look for a lock icon on the control panel. Hold the lock button (or the indicated button combo) for about 3 seconds to toggle it off.
Always unplug an appliance and shut off its water supply before servicing. This guide is informational and not a substitute for a qualified technician.