R-Pro › Field cases › Refrigeration systems
Evaporator Fan Motor Bearing Wear
Likely causes
Bearing end-of-life
Check: Spin blade by hand (resistance or noise = bearing issue)
What to do: Spin blade by hand (resistance or noise = bearing issue) → Replace with fan motor of same specification → Check blade balance and mounting bolts → Confirm noise is gone after restart
Bearing corrosion from condensate or moisture
Check: Replace with fan motor of same specification
What to do: Replace with fan motor of same specification → Check blade balance and mounting bolts → Confirm noise is gone after restart
Premature wear from overload
Check: Check blade balance and mounting bolts
What to do: Check blade balance and mounting bolts → Confirm noise is gone after restart
The fan motor bearing is worn. Replace the fan motor.
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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