Generic · Dishwasher
Won't drain Clogged filter or blocked air gap
What this code means
Standing water at the end of a cycle without a specific code shown almost always traces back to a physical blockage rather than electronics.
Most likely causes
- Food debris packed in the bottom filter
- Garbage disposal knockout plug left in place
- Clogged air gap fitting at the sink
What to try first
Remove and rinse the bottom filter under running water, and check the small air gap cylinder on the sink deck if you have one.
Good news: this one is often fixable without a service call. If it persists after the steps above, have it looked at.
Find the part on Amazon →FAQ
What does Generic error code Won't drain mean?
Clogged filter or blocked air gap. Standing water at the end of a cycle without a specific code shown almost always traces back to a physical blockage rather than electronics.
Can I fix Generic code Won't drain myself?
Often, yes. Remove and rinse the bottom filter under running water, and check the small air gap cylinder on the sink deck if you have one.
What causes Generic code Won't drain?
The most common causes are: food debris packed in the bottom filter; garbage disposal knockout plug left in place; clogged air gap fitting at the sink.
Other Generic dishwasher codes
All Generic dishwasher error codes →
Other dishwasher brands: Bosch · Whirlpool · KitchenAid · Samsung · GE · LG · Maytag · Frigidaire · Electrolux · Kenmore
This information may contain errors or not apply to your exact model — always double-check it against your appliance's own manual before acting. If there's any chance of a gas, fire, electrical, carbon monoxide, or other safety hazard, stop and call a licensed professional or the appropriate agency (e.g. your gas utility) instead of relying on this page alone.