Siemens G120C Error A30034: Power unit: Internal overtemperature

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

Fault codeA30034

The power unit has detected an internal overtemperature that exceeds its alarm threshold, which may escalate to a more severe fault if temperatures continue rising. The manual lists no action for this code.

Model
Siemens G120C
Display shows
Power unit: Internal overtemperature (A30034)
Type
Fault code
Source
Manual p. 737

What A30034 means

Power unit: Internal overtemperature p. 737

Common causes

  • The alarm threshold for internal overtemperature has been reached. p. 737
  • If the temperature inside the unit continues to increase, fault F30036 may be triggered. p. 737
  • - ambient temperature might be too high. p. 737
  • - insufficient cooling, fan failure. p. 737
  • Alarm value (r2124, interpret decimal) p. 737
  • Only for internal Siemens troubleshooting. p. 737

If A30034 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 737 All G120C error codes Manual details & download

This page summarises what the manufacturer’s manual says about A30034; 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.