Fault Codes / Bosch / A01 (5593)

Bosch A01 (5593)

High

Compress — EMS cable not connected or broken.

Bosch A01 (5593): EMS cable not connected or broken. This fault noticeably affects operation.

Possible causes

EMS connection missing/broken.

Check steps

Check EMS connection & connectors.

Affected parts

EMS-Leitung

Safety note

Low voltage — work carefully.

Source: Bosch/IVT/Buderus Compress Wärmepumpe Alarm-Tabelle (lvisawo.fi/jseducation.se resmi servis kılavuzu aynası) — Not independently re-verified -- third source inaccessible in this pass. Deferring to researcher's report.

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

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