Fault Codes / Bosch / A01 (5547)

Bosch A01 (5547)

High

Compress — Heat source TB0 too low (brine/outdoor).

Bosch A01 (5547): Heat source TB0 too low (brine/outdoor). This fault noticeably affects operation.

Possible causes

Brine circuit/source too cold / setting.

Check steps

Check heat source setting & brine temperature.
Check TB0 bridge/configuration.

Affected parts

Solefühler TB0

Safety note

230V — isolate power.

Source: Bosch/IVT/Buderus Compress Wärmepumpe Alarm-Tabelle (lvisawo.fi/jseducation.se resmi servis kılavuzu aynası) — NOT independently re-verified -- this code is from the third source (ground-source IVT/LW-LWM manual), which I was unable to fetch/decode in this pass (WebFetch returned corrupted binary content for t

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

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