Fault code12
Internal communication between SINAMICS components is faulted or interrupted. The manual's first action is: “Ensure an EMC compliant installation. Observe the maximum permissible quantity structures/cycles.”
- Model
- Siemens SINAMICS V90, SIMOTICS S-1FL6
- Display shows
- Internal communication faulted (12)
- Type
- Fault code
- Source
- Manual p. 284
What 12 means
Internal communication faulted p. 284
Common causes
- The internal communication between the SINAMICS components is faulted or interrupted. p. 284
What to do
- Ensure an EMC compliant installation. Observe the maximum permissible quantity structures/cycles. p. 284
Before you service the product, read the safety instructions in the manual p. 2.
If 12 is still not resolved
- Contact service / dealer for assistance p. 2 “Qualified Personnel The product/system described in this documentation may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions.”
- Contact service / dealer for assistance p. 13 “NOTICE Property damage due to loose power connections Insufficient tightening torques or vibration can result in loose power connections. This can result in damage due to fire, device defects or malfunctions.”
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.