Mitsubishi Electric UP

Critical

Mr. Slim — Compressor overcurrent interruption.

Mitsubishi Electric UP: Compressor overcurrent interruption. This fault typically halts operation and needs immediate attention.

Possible causes

Overload (high pressure / dirty condenser).
Compressor/wiring faulty.

Check steps

Clean condenser, check fan & pressure.
Measure compressor winding & insulation.

Affected parts

Verdichter

Safety note

High voltage! Let capacitors discharge.

Source: Mitsubishi Electric resmi servis kılavuzu — Mr. SLIM Indoor Unit output pattern B, No.2: 'UP — Compressor overcurrent interruption'; ayrıca SUY-KA tablosu No.1 'UP: Outdoor power system'.

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

Look up in Enthalio →

Related fault codes

Indoor/outdoor communication error.E6 High discharge temperature — compressor overheU2 Outdoor thermistor fault (open/short).U4 Pipe temperature error (often defrost/thermistP8 Intake (room) thermistor fault.P1 Pipe (liquid) thermistor fault.P2