Fault Codes / Toshiba / P04

TO

Toshiba P04

Medium

SMMS / SMMS-e — Outdoor unit high pressure fault.

Toshiba P04: Outdoor unit high pressure fault. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Dirty heat exchanger.
Faulty fan motor.

Check steps

Check fan motor RPM.
Measure pressure sensor voltage.

Affected parts

Hochdrucksensor (43T60421)

Safety note

High pressure — follow F-Gas.

Source: Toshiba SMMS-i Quick Reference FILE NO. A11-005

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

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