Fault Codes / Bitzer / 4601

BI

Bitzer 4601

High

ECOLINE / IQ Module — Communication error module ↔ master (Modbus).

Bitzer 4601: Communication error module ↔ master (Modbus). This fault noticeably affects operation.

Possible causes

Modbus wiring faulty / termination.

Check steps

Check Modbus connection & terminator.

Affected parts

Modbus-Leitung

Safety note

Low voltage — work carefully.

Source: Bitzer CM-RC Reference Manual

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

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