Fault Codes / Haier / E7

HA

Haier E7

Critical

MRV 5 — Communication error.

Haier E7: Communication error. This fault typically halts operation and needs immediate attention.

Possible causes

Faulty link cable.
Faulty PCB.

Check steps

Check link cable.
Check/replace PCB.

Affected parts

Platine

Safety note

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Source: Haier Service Manual 1U71SABFRA V1 (2018-06-29), §10.3 (haier.com.au)

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

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