Siemens A7009 fault code meaning

Series: 6RA70

Backplane wiring damaged

DC drive

Meaning: Plug-in connection X109 faulty. i002: Address of the faulty storage location. i003: Faulty value in EEPROM. i004: Correct parameter value. 11: Incorrect checksum of nonvolatile data (Part 1). 12: Incorrect checksum of nonvolatile data (Part 2). 13: Incorrect checksum of nonvolatile data (Part 3). 20: Incorrect checksum of the parameter value structure table. Possible fault causes: EEPROM damaged; “Restore factory values” has never been executed with this software (e.g., after software replacement). Possible remedies: Set! i002: Calculate checksum. i003: Find the checksum in EEPROM.

Possible causes

Source: 6ra70_c P435