Fault Codes / Bosch / A01 (5993)

Bosch A01 (5993)

High

Compress — Disturbances in Modbus communication.

Bosch A01 (5993): Disturbances in Modbus communication. This fault noticeably affects operation.

Possible causes

Modbus cabling disturbed / noise.

Check steps

Check Modbus cabling & shielding.

Affected parts

Modbus-Leitung

Safety note

Low voltage — work carefully.

Source: Bosch resmi servis kılavuzu — Doc: 'A01 Installer Info: No communication betw. inv. control and main contr. unit. The HP board has lost communication with the inverter. Disturbances in Modbus communication.'

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

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