Siemens G120C Error A07929: Drive: No motor detected

Siemens G120C drive · taken from the manufacturer’s manual, pages cited

Fault codeA07929

No motor is detected after enabling inverter pulses, possibly due to incorrect setup or motor failure. The manual lists no action for this code.

Model
Siemens G120C
Display shows
Drive: No motor detected (A07929)
Type
Fault code
Source
Manual p. 712

What A07929 means

Drive: No motor detected p. 712

Common causes

  • The absolute current value is so small after enabling the inverter pulses that no motor is detected. p. 712
  • - in the case of vector control and an induction motor, this alarm is followed by fault FO7902. p. 712

If A07929 is still not resolved

  • contact service / dealer p. 4
    “Warning concept This Manual contains information which you must observe to ensure your own personal safety as well as to avoid material damage.”
  • contact service / dealer p. 12
    “WARNING Danger to life if the safety instructions and residual risks are not observed”
Open the manual at page 712 All G120C error codes Manual details & download

This page summarises what the manufacturer’s manual says about A07929; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Siemens. Found a mistake? Report an error.