Siemens F040 fault code meaning

Series: 6RA70

The electronics board power supply is cut off while the fault status is active.

DC drive

Meaning: (Valid in all operating states.) This fault message is activated if the electronics board power supply is disconnected while a fault is displayed and has not been reset. Possible fault causes: Not all fault messages have been reset; the last fault message is still present.

Possible causes

Source: 6ra70_c P425