Siemens G120C Error 9003: DC-link overvoltage (4)

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

Fault code9003

The DC-link voltage has exceeded an inadmissible high value on the Siemens G120C drive. The manual's first action is: “Check the dimensioning of the system (line supply, reactor, voltages). Check the infeed settings.”

Model
Siemens G120C
Display shows
DC-link overvoltage (4) (9003)
Type
Fault code
Source
Manual p. 654

What 9003 means

DC-link overvoltage (4) p. 654

Common causes

  • The DC-link voltage has assumed an inadmissibly high value. p. 654

What to do

  1. Check the dimensioning of the system (line supply, reactor, voltages). Check the infeed settings. p. 654

Before you service the product, read the safety instructions in the manual p. 4.

If 9003 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”

This page summarises what the manufacturer’s manual says about 9003; 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.