Mitsubishi Electric PB

Medium

PLY-ZM/PLY-M/PEY-M/PCY-M serisi — Indoor unit fan motor error

Mitsubishi Electric PB: Indoor unit fan motor error This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Fan motor jammed or faulty
Fan motor connector loose or wiring damaged

Check steps

Check the fan wheel for free rotation (no obstruction)
Measure fan motor resistance and check wiring

Affected parts

Indoor fan motor
Fan motor connector

Safety note

Disconnect power supply before working on the fan; avoid rotating parts.

Source: Mitsubishi Electric resmi servis kilavuzu (bagimsiz cift-dogrulandi) — Mitsubishi Electric Mr. SLIM Indoor Unit - Malfunction-diagnosis method at maintenance service, PLY-ZM50EA / PLY-M60,80,100,125EA / PEY-M50,60,80,100,125JAL / PCY-M125KAL, rev. 20241024, page 3, Output pattern A (Errors detected by indoor unit) tablosu: "PB(Pb) | Indoor unit fan motor error" (Wireless R/C: 11 kez bip…

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

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