What does IC 30 mean?
Ice maker system has detected a fault condition.
Common causes
- Frozen water inlet tube
- Failed ice maker module
- Faulty water inlet valve
- Ice maker sensor issue
- Low water pressure
Diagnostic & testing steps
- 1. Check water supply line for kinks or frozen sections
- 2. Verify water pressure at inlet - minimum 20 PSI
- 3. Test water inlet valve solenoid
- 4. Inspect ice maker mold for stuck ice
- 5. Test ice maker module for harvest cycle operation
Tools required
- Multimeter
- Hair dryer
- Bucket
OEM parts & part numbers
Ice Maker Assembly, Water Inlet Valve
Part numbers: 4200520, 4200161
Safety warning
⚠️ Turn off water supply before servicing ice maker
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