Siemens G120C Error 12: Internal (DRIVE-CLiQ) communication faulted

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

Fault code12

Internal communication between SINAMICS components is faulted or interrupted on the Siemens G120C drive. The manual's first action is: “Check the DRIVE-CLiQ wiring. Ensure an EMC-compliant installation. Observe the maximum permissible quantity structures / cycles.”

Model
Siemens G120C
Display shows
Internal (DRIVE-CLiQ) communication faulted (12)
Type
Fault code
Source
Manual p. 655

What 12 means

Internal (DRIVE-CLiQ) communication faulted p. 655

Common causes

  • The internal communication between the SINAMICS components is faulted or interrupted. p. 655

What to do

  1. Check the DRIVE-CLiQ wiring. Ensure an EMC-compliant installation. Observe the maximum permissible quantity structures / cycles. p. 655

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

If 12 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 655 All G120C error codes Manual details & download

This page summarises what the manufacturer’s manual says about 12; 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.