Fault Codes / Haier / E9

HA

Haier E9

High

MRV 5 — Work-intense / overload protection.

Haier E9: Work-intense / overload protection. This fault noticeably affects operation.

Possible causes

System under heavy load / high load.

Check steps

Check operating conditions & load.
Check pressure, current & temperatures.

Affected parts

Kein Ersatzteil — Einstellung/Konfiguration prüfen (DIP, Menü, Untercode)

Safety note

230/400V — isolate power.

Source: Haier H-MRV / MRV5 Service Manual — Error Code Table

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

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