Dishwasher will not power on at all; no lights or display, no response to buttons.

Safety first: Ensure your hands are dry and avoid touching bare wires.

• Check household power: Verify the breaker for the dishwasher circuit is ON and not tripped. Reset if necessary.
• Test outlet or junction box: For corded Danby models, plug another device into the outlet. For hardwired units, use a non-contact voltage tester at the junction box (power off before opening).
• Inspect power connections: With power off, check wire nuts or terminal block connections for looseness or burning.
• Check door switch: If the unit has power but no response, test the door switch for continuity when closed.
• If power is present but no lights: The main control board may have failed and likely needs replacement.