How to Fix a Dishwasher That Won't Drain
Quick Answer
Check the filter and clean it, inspect the drain hose for kinks, and test the drain pump for obstructions.
How to troubleshoot a Dishwasher That Won't Drain
A dishwasher that won't drain can leave standing water. This guide covers checking the filter, drain hose, and pump for blockages.
Step-by-Step Fix
- Turn off the dishwasher and disconnect it from the power supply.
- Remove the bottom rack and unscrew the filter cover at the bottom of the tub.
- Lift out the filter and rinse it under running water, scrubbing off debris with a soft brush.
- Check the drain hose for kinks or clogs; straighten or clear it as needed.
- Inspect the drain pump impeller for debris by removing the pump cover (if accessible).
- Reassemble the parts, reconnect power, and run a rinse cycle to test draining.
Common Error Codes
| Code | Meaning | Resolution |
|---|---|---|
| Water remains after cycle | Clogged filter or pump | Clean the filter and inspect the drain pump for foreign objects. |
| Dishwasher beeps error | Drain error code | Refer to the manual and check the drain hose connection. |
Frequently Asked Questions
How often should I clean the dishwasher filter?
Every 1-2 months, or more often if you run the dishwasher daily.
Can I use a chemical drain cleaner in my dishwasher?
No, it can damage the pump and seals; use manual cleaning methods.