Fault codeF7490
The enable signal was withdrawn while the drive was drawing power, causing it to enter 'switching on inhibited' state. The manual's first action is: “Set the enable signals or check the cause of the fault that first occurred and then reset (for a standard assignment).”
- Model
- Siemens SINAMICS V90, SIMOTICS S-1FL6
- Display shows
- Enable signal withdrawn while drawing (F7490)
- Type
- Fault code
- Source
- Manual p. 296
What F7490 means
Enable signal withdrawn while drawing p. 296
Common causes
- For a standard assignment, another fault may have occurred as a result of withdrawing the enable signals. p. 296
- The drive is in the "switching on inhibited" state (for a standard assignment). p. 296
What to do
- Set the enable signals or check the cause of the fault that first occurred and then reset (for a standard assignment). p. 296
- Check the assignment to enable the basic positioning function. p. 296
Before you service the product, read the safety instructions in the manual p. 2.
If F7490 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 F7490; 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.