Mitsubishi Heavy E3

Medium

KX / FD — Incorrect outdoor unit address setting.

Mitsubishi Heavy E3: Incorrect outdoor unit address setting. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Outdoor address wrong / not set.

Check steps

Set outdoor address per manual.

Affected parts

DIP-Schalter Einstellung
Bedienungsanleitung

Safety note

230V — isolate power.

Source: Mitsubishi Heavy resmi servis kılavuzu — MHI 'Error Codes – R410A', E3 row (KX4/KXR4 variant): 'Incorrect address setting of the outdoor unit'. (Note: other E3 sub-rows in same table = 'No mains power at outdoor unit').

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

Look up in Enthalio →

Related fault codes

High pressure fault.E40 Communication error during operation.E5 Outdoor DC fan motor abnormalityE48 Compressor start failure (CM1/CM2)E59 Drain water level abnormality (float switch)E9 Communication error indoor ↔ remote controllerE1