Siemens F05055 fault code meaning

Siemens / F05055

Series: G130-G150, S120-S150

Parallel circuit: Invalid power unit code number

converter

Meaning: The power unit code number is invalid. Only power units with identical data may be connected in parallel. Possible cause: - Power unit code number mismatch. Additionally, for booksize units: - The power units used cannot be connected in parallel. - The number of power units connected in parallel is too large.

Possible causes

Source: SINAMICS G130_G150 P1586; SINAMICS S120_S150 P2698

Series: S220

Parallel circuit: Power unit code error

converter

Meaning: The power unit code is incorrect. Only power units with identical data may be operated in parallel. Possible causes: - Power unit code mismatch. Additionally, for booksize units: - The power units used do not support parallel operation. - The number of power units connected in parallel is too large.

Possible causes

Source: SINAMICS S220 Converter P2220