Fault Codes / Toshiba / P19

TO

Toshiba P19

High

SMMS / SMMS-e — 4-way valve error

Toshiba P19: 4-way valve error This fault noticeably affects operation.

Possible causes

4-way valve stuck / not reversing
Faulty valve coil

Check steps

Measure valve coil continuity
Check valve switching

Affected parts

4-Wege-Ventil
Ventilspule

Safety note

Isolate power before service.

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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