Bosch A11 (3091)

Medium

Compress — Room temperature sensor faulty.

Bosch A11 (3091): Room temperature sensor faulty. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Room sensor faulty (EMS comms OK).

Check steps

Check room sensor & wiring.
Replace room sensor if faulty.

Affected parts

Raumtemperaturfühler

Safety note

Low voltage — work carefully.

Source: Bosch resmi servis kılavuzu — Alarm List 8754, code 3091, Display Code A11, Customer: "Room temperature sensor faulty — The resistance thermometer inside the room sensor for heating circuit 1 is defective ... An incorrect configuration of the room sensor will produce the same alarm."

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

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