Fault Codes / Mitsubishi Heavy / E30
KX / FD — Indoor/outdoor unit connection error.
Mitsubishi Heavy E30: Indoor/outdoor unit connection error. This fault noticeably affects operation.
Source: Mitsubishi Heavy resmi servis kılavuzu — MHI 'Error Codes – R410A', E30 row: 'Indoor/outdoor unit connected error.'
Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.
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