60
External interlock activated
Danfoss · VLT HVAC Drive High Power
What does 60 mean?
An external interlock, configured to stop the drive, has been activated via a digital input. This prevents the drive from operating until the interlock condition is cleared and a reset signal is sent, ensuring safety or process integrity.
Complete Troubleshooting Guide
- 1
Identify the terminal programmed for external interlock and apply 24 V DC to it to deactivate the interlock signal.
- 2
Send a reset signal to the frequency converter via serial communication, digital I/O, or by pressing the [Reset] button.
- 3
Troubleshoot the external interlock circuit or connected device for why the interlock was activated.