Fault Codes / Bosch / A11 (3061)

Bosch A11 (3061)

High

Compress — No communication with heating circuit (mixing module).

Bosch A11 (3061): No communication with heating circuit (mixing module). This fault noticeably affects operation.

Possible causes

EMS cable installer board ↔ mixing module faulty/loose.

Check steps

Check EMS cabling to mixing module.
Check mixing module & power.

Affected parts

Mischmodul
EMS-Leitung

Safety note

Low voltage — work carefully.

Source: Bosch resmi servis kılavuzu — Alarm List 8754, code 3061, Display Code A11, Customer: "No communication with htg circ. module — A mixing module has previously been installed for heating circuit 1, and now the installer board has been unable to communicate with the mixing module over the EMS bus for the past 4…

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