u20Serious
Frigidaire Dishwasher u20 Error Code
Excessive water detected in the base pan, indicating a significant leak that could cause damage.
Common causes
- Ruptured water inlet valve or hose
- Cracked tub or sump
- Broken float switch
How to fix it
- Unplug and turn off water supply immediately.
- Bail out any standing water in the base pan.
- Inspect visible hoses and connections for leaks.
⚠ When to call a pro: Call a technician to diagnose and repair the leak source; do not use dishwasher until fixed.
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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.