What does F70 mean?
Water detected in the base pan. Waterproof protection system has been triggered.
Common causes
- Leaking pump seal
- Cracked sump housing
- Loose hose connection
- Failed door gasket
Diagnostic & testing steps
- 1. Remove lower kick plate and check for water in base pan
- 2. Inspect all hose connections and clamps
- 3. Check circulation pump seals for leaks
- 4. Inspect door gasket for tears or displacement
- 5. Dry base pan and float switch, test operation
Tools required
- Flashlight
- Towels
- Phillips screwdriver
OEM parts & part numbers
Door Gasket, Circulation Pump Seal, Float Switch
Part numbers: 7790750, 6765811
Safety warning
⚠️ Disconnect power immediately. Water near electrical components poses shock risk.
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