R-Pro › Field cases › Refrigeration systems
Condenser Fan Blade Deformed or Contacting Casing
Likely causes
Blade deformed from impact
Check: Disconnect power and visually inspect fan blade
What to do: Disconnect power and visually inspect fan blade → Remove foreign objects → Tighten fan hub mounting bolt → Replace blade if deformed → Check clearance between blade and casing → Confirm noise is gone after restart
Blade position shifted from loose hub
Check: Remove foreign objects
What to do: Remove foreign objects → Tighten fan hub mounting bolt → Replace blade if deformed → Check clearance between blade and casing → Confirm noise is gone after restart
Foreign object (leaf, paper) caught
Check: Tighten fan hub mounting bolt
What to do: Tighten fan hub mounting bolt → Replace blade if deformed → Check clearance between blade and casing → Confirm noise is gone after restart
Fan blade is contacting the casing or a foreign object. Remove obstructions and inspect blade condition. Never reach inside the fan casing while the fan is running.
All 565 cases work offline in R-Pro, with error codes for 62 brands and P-T data for 108 refrigerants.
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