MHI · R410A Systems
This error indicates a fault with the DC outdoor fan motor, which is crucial for heat dissipation from the condenser coil.
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Turn off the main power to the outdoor unit at the circuit breaker.
Inspect the outdoor fan for any obstructions (leaves, debris) and clear them.
Gently try to spin the fan blades by hand to check for resistance or grinding noises (ensure power is off).
If the fan does not operate or the error persists, contact a qualified technician to inspect or replace the DC fan motor.