Mitsubishi Electric P1

Medium

Mr. Slim — Intake (room) thermistor fault.

Mitsubishi Electric P1: Intake (room) thermistor fault. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Thermistor open/short.
Connector loose.

Check steps

Check connector on indoor PCB.
Check thermistor resistance per service manual.

Affected parts

Ansaug-Thermistor

Safety note

230V — isolate power.

Source: Mitsubishi Electric resmi servis kılavuzu — MrSlimerrorCode.pdf p.3 (Output pattern A): 'P1 Intake sensor error'; p.9 (PUY outdoor doc): 'Abnormality of room temperature thermistor (TH1)'.

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

Look up in Enthalio →

Related fault codes

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