Troubleshooting steps
Check ventilation clear air vents verify ambient temperature check cooling fan operation
Siemens VFD
Drive unit temperature too high
Internal drive temperature exceeds operating limits.
Catalog references
Utilities
Troubleshooting steps
Check ventilation clear air vents verify ambient temperature check cooling fan operation
Other codes
FAQ
What is maximum ambient temperature?
Typically 40-50°C depending on drive model. Check specifications.