Fault Codes / Mitsubishi Heavy / E47
KX / FD — Inverter overvoltage.
Mitsubishi Heavy E47: Inverter overvoltage. This fault typically halts operation and needs immediate attention.
Source: Mitsubishi Heavy resmi servis kılavuzu — Same source, p.5, E47 row: 'Inverter over voltage.' Matches app's 'Inverter-Überspannung' exactly.
Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.
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