Fault Codes / Mitsubishi Heavy / E20

KX / FD — Indoor DC fan motor rotation speed anomaly.

Possible causes

• DC fan motor blocked, faulty, or wiring error.

Check steps

• Check fan blade for free rotation, test motor and wiring.

Affected parts

• DC-Lüftermotor

Safety note

Source: Mitsubishi Heavy Industries FDC-KXZE2 VRF Troubleshooting Manual (KX-T-378), "8. System Troubleshooting Procedure" error code table

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

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