Mitsubishi Heavy E43

Medium

KX / FD — Excessive number of indoor units connected / excessive total capacity (site setting error).

Mitsubishi Heavy E43: Excessive number of indoor units connected / excessive total capacity (site setting error). This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Number or total capacity of indoor units exceeds the allowable system limit.

Check steps

Check the number/capacity of connected indoor units against system limits.

Affected parts

Kein Ersatzteil — Einstellung/Konfiguration prüfen (DIP, Menü)

Safety note

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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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