Toshiba E18

Medium

Multi-Type (SVM-21073) — Periodic communication error between indoor header unit and other group units.

Toshiba E18: Periodic communication error between indoor header unit and other group units. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Group control wiring broken.

Check steps

Check group control wiring between all units.

Affected parts

Gruppensteuerungskabel

Safety note

Isolate power before testing.

Source: Toshiba Air Conditioner (Multi Type) Service Manual SVM-21073 <1-way cassette type>, §8-4 Check Codes Displayed on Remote Controller / §8-5 Diagnostic Procedure for Each Check Code

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

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Related fault codes

No master remote control / failure receiving sE01 Failure remote control — signals cannot be traE02 Indoor-remote controller periodic communicatioE03 Duplicated master remote control — both remoteE09 Communication trouble between main MCU and theE10 Communication trouble between flow selector (FE17