Likely Causes
A clogged drain pump or drain hose
A clogged drain pump or drain hose. This is one of the more frequent reasons homeowners in our service area call about this exact symptom.
A kinked drain line behind the unit
A kinked drain line behind the unit. This is one of the more frequent reasons homeowners in our service area call about this exact symptom.
A worn check valve allowing water to sit
A worn check valve allowing water to sit. This is one of the more frequent reasons homeowners in our service area call about this exact symptom.
Safe Checks You Can Try First
- Clear any visible food debris from the drain filter at the bottom of the tub
- Check that the garbage disposal knockout plug was removed at installation, if newly installed
- Run the disposal (if connected to the same drain line) to clear a shared clog
When to Call a Technician
Standing water that remains after these checks points to a drain pump or hose replacement.
Frequently Asked Questions
No — most cases like this are a specific, repairable part failure rather than a sign the whole unit needs replacing. A technician can tell you the realistic cost-versus-replace comparison on the spot.
The checks above are safe to try yourself. Beyond that, appliance repair involves electrical, gas, or refrigerant systems that are best left to a trained technician.