Fault Codes / Mitsubishi Electric / 6831

Mitsubishi Electric 6831

High

City Multi — MA remote controller: no signal transmission/reception.

Mitsubishi Electric 6831: MA remote controller: no signal transmission/reception. This fault noticeably affects operation.

Possible causes

MA line loose / not powered.
Capacity limit exceeded / sub-main wrong.

Check steps

Check MA wiring & power (LED1/LED2).
Sub/main setting: one must be MAIN.

Affected parts

MA-Fernbedienung
Steuerleitung

Safety note

Low voltage — work carefully.

Source: Mitsubishi Electric resmi servis kılavuzu — CityMultiErrorCode_V3.pdf p.7: '6831 MA controller signal reception error (No signal reception) - Check for disconnected or loose transmission lines for the indoor units or MA remote controllers'.

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

Look up in Enthalio →

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