Fault Codes / Bosch / A01 (5940)

Bosch A01 (5940)

Medium

Compress — Air in heating pump PC0.

Bosch A01 (5940): Air in heating pump PC0. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Air in system / insufficient bleeding.

Check steps

Run bleeding routine.
Check system pressure.

Affected parts

Heizkreispumpe PC0

Safety note

Depressurize before working.

Source: Bosch resmi servis kılavuzu — Doc: 'A01 Installer Info: Air in the heating pump PC0. Circulation pump PC0 reports error for presence of air in the heat carrier circuit.'

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

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