A dishwasher that refuses to begin is usually waiting on a latch or a setting, not a major failure.
Latch the Door Fully
The cycle will not begin until the door latch fully engages.
Fix: Press the door firmly until it clicks; adjust the strike if it will not catch.
Check Power and the Disposal Switch
Many dishwashers share a switched circuit with the disposal.
Fix: Confirm the breaker is on and any wall switch for the unit is flipped on.
Clear Control Lock or Delay
A child lock or delay-start makes the machine look unresponsive.
Fix: Hold the lock button for three seconds and cancel any delayed start.
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