Mitsubishi Heavy E19

Medium

KX / FD — Indoor unit operation check / drain pump motor check mode anomaly.

Mitsubishi Heavy E19: Indoor unit operation check / drain pump motor check mode anomaly. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Setting error in check mode or faulty drain pump.

Check steps

Check the check-mode setting and drain pump.

Affected parts

Ablaufpumpe

Safety note

Isolate power before testing.

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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