Siemens A029 fault code meaning

Series: 6RA70

Motor overheat

DC drive

Meaning: (Valid in all run statuses) Selected via P493=1 or 3 (temperature control device at terminals 22 / 23), or P494=1 or 3 (temperature control device at terminals 204 / 205). When parameter P490.01=1 (KTY84 at terminals 22 / 23) or P490.02=1 (KTY84 at terminals 204 / 205): The alarm is activated if the motor temperature reaches or exceeds the value set in parameter P492. When parameter P490.01=2, 3, 4 or 5 (PTC thermistor at terminals 22 / 23), or P490.02=2, 3, 4 or 5 (PTC thermistor at terminals 204 / 205): The alarm is activated if the motor temperature reaches or exceeds the actuation threshold of the selected PTC.

Possible causes

Source: 6ra70_c P440