Repair guide

Dishwasher not draining

Likely causes, expected repair cost, and DIY troubleshooting before calling a pro.

Estimated cost
$144–$450
Difficulty
Moderate
Avg repair time
2 hrs

Common causes of dishwasher not draining

  • · Drain pump failure
  • · Spray arm clog
  • · Door latch issues
  • · Heating element

DIY troubleshooting

  1. Unplug the appliance for 5 minutes to reset control electronics.
  2. Check power supply, circuit breaker, and any GFCI outlet.
  3. Inspect for visible leaks, blockages, or burnt smells before opening panels.
  4. Consult the user manual for diagnostic mode / error codes.

When to call a professional

If the cause involves the sealed refrigeration system, control board, or any high-voltage component, hire a licensed appliance technician. For appliances over 7 years old, weigh repair against replacement using our decision calculator.

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