Fault Codes / Bosch / A41 (1030)

BO

Bosch A41 (1030)

High

Compress / Logamatic EMS plus — Internal data error in control unit — replace.

Bosch A41 (1030): Internal data error in control unit — replace. This fault noticeably affects operation.

Possible causes

EEPROM / internal memory corrupt.

Check steps

Replace control unit.

Affected parts

Regelgerät

Safety note

Isolate power.

Source: Bosch Logamatic EMS plus Servicehandbuch 6720809288

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

Look up in Enthalio →

Related fault codes

Room temp sensor heating circuit 1 fault — repA21 (806) No communication with control unit heating cirA21 (816) No BUS communication (DHW/storage module).A41 (1010) Thermal disinfection failed.A41 (4051) Setting error solar module — check parameters.A51 (812) Collector temp sensor — connection line to solA51 (813)