Fault Diagnosis · mechanicalhigh
Fan Fault
Evaporator or condenser fan failure causes poor airflow, uneven cooling, ice build-up, and unusual noise.
Common Symptoms
- Warm spots in fridge
- Ice build-up on back wall
- Grinding or buzzing noise
- Compressor cycling on and off
How we diagnose it
We test fan motors for continuity and obstruction, check the fan control circuit on the main board, and verify airflow paths are clear.
Common causes
Seized fan motor
Broken fan blade
Faulty fan control circuit
Ice obstruction
Worn bearings
Refrigerator types affected
Where we service this fault
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