Fault code4
The DC link voltage has exceeded an inadmissible high value. The manual's first action is: “Check the dimensioning of the system (line supply, reactor, voltages). Check the infeed settings.”
- Model
- Siemens SINAMICS V90, SIMOTICS S-1FL6
- Display shows
- DC link overvoltage (4)
- Type
- Fault code
- Source
- Manual p. 284
What 4 means
DC link overvoltage p. 284
Common causes
- The DC link voltage has assumed an inadmissibly high value. p. 284
What to do
- Check the dimensioning of the system (line supply, reactor, voltages). Check the infeed settings. p. 284
Before you service the product, read the safety instructions in the manual p. 2.
If 4 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 4; 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.