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66: Outdoor Fan Motor Fault (Samsung)

Samsung heat pump outdoor fan motor has failed or is not operating correctly.

What This Error Code Means

The outdoor unit fan motor cannot achieve the required RPM or has stopped entirely.

Common Causes

  • Outdoor fan motor failed
  • Fan blade damaged or blocked
  • Motor capacitor faulty
  • Control signal from PCB lost
  • Thermal overload protection tripped

Affected Brands

Samsung

How ROMA Heating Fixes This

  • Inspect outdoor fan blade for damage
  • Test fan motor windings and capacitor
  • Verify control signal from PCB
  • Replace fan motor if failed
  • Clear any debris around fan

Why Trust ROMA Heating

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