Fault Codes / Mitsubishi Heavy / E42
KX / FD — Abnormally high compressor current (CT).
Mitsubishi Heavy E42: Abnormally high compressor current (CT). This fault typically halts operation and needs immediate attention.
Source: Mitsubishi Heavy resmi servis kılavuzu — Mitsubishi Heavy KX-T-378 p.172: 'E42 E42-1,2 Current cut (CM1, CM2)... When anomalously high output current of inverter is detected by the current sensor mounted in the power transistor.' This is compressor/inverter overcurrent protection, matching the app's 'Hoher Verdichter-St…
Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.
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