Bosch 3071

Medium

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

Bosch 3071: No communication with remote control (heating circuit 1) — a room sensor was previously installed and now the installer module is unable to communicate with the room sensor over the EMS bus. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

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

Check steps

Check EMS cabling.

Affected parts

EMS-Kabel
Raumfühler

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.

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