To reset your Whirlpool dishwasher to clear error codes, control glitches, and drain issues, you can perform a hard power reset and a button sequence diagnostic reset. First, power reset: press Cancel or Drain button to stop any running cycle, open door, then unplug dishwasher from wall outlet under sink or turn off circuit breaker that supplies dishwasher, usually a 15 or 20 amp breaker in electrical panel, wait at least 5 to 10 minutes to allow main control board capacitors to fully discharge and clear memory, some technicians recommend pressing Start button for 5 seconds while unplugged to drain residual charge, then plug back in or turn breaker on. Dishwasher will beep and may display PF for power failure, press any button to clear. Second, button sequence reset for Whirlpool and Maytag dishwashers: with dishwasher in standby mode with door closed, press Heated Dry, Normal, Heated Dry, Normal buttons in sequence within 6 seconds, all lights will flash, then press Start to enter diagnostic cycle that runs and clears errors, after diagnostic completes press Cancel. Third, reset control lock: if control lock light is on, press and hold Control Lock or Heated Dry button for 3 seconds. After reset, run empty Normal cycle to test draining. Reset will not fix mechanical failures like failed drain pump or inlet valve but often clears temporary glitches after power outage or clogged filter.
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