F21Warning
GE Dishwasher F21 Error Code
The dishwasher is taking too long to drain water, typically over 8 minutes.
Common causes
- Clogged drain hose or filter
- Kinked drain hose
- Faulty drain pump
How to fix it
- Clean the filter and drain basket
- Check drain hose for kinks or clogs
- Ensure garbage disposal knockout plug is removed if connected
⚠ When to call a pro: If cleaning and hose check don't fix the issue, the drain pump may need replacement.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.