Bosch 3061

High

Compress / Logamatic EMS plus — No communication with mixer module (heating circuit 1) — a mixing module was previously installed and now the installer module is unable to communicate with the room sensor over the EMS bus.

Bosch 3061: No communication with mixer module (heating circuit 1) — a mixing module was previously installed and now the installer module is unable to communicate with the room sensor over the EMS bus. This fault noticeably affects operation.

Possible causes

Poor connection or improperly installed EMS cable between installer module and mixing module.

Check steps

Check EMS cabling.

Affected parts

EMS-Kabel
Mischermodul

Safety note

Isolate power before testing.

Source: Bosch Alarm List A/W Split (8754), 2018-01-10, official Bosch heat pump alarm list (distributed via lvisawo.fi)

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

Look up in Enthalio →

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