6
Emergency Stop Triggered
Vacon · NX Liquid-Cooled Drive
What does 6 mean?
A stop signal has been received from an option board, indicating activation of the emergency stop circuit. This fault causes the drive to stop immediately.
Common Causes
- External emergency stop signal activated.
- Internal emergency stop logic triggered by safety circuits.
- Faulty emergency stop button wiring or device.
- Safety interlock circuit activated.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Inspect the emergency stop circuit and all connected safety devices and wiring to determine the source of the stop signal.
- 2
Verify the status of all emergency stop buttons and safety interlocks in the system.
Verified technical data. Last updated: March 2026
Related Faults
Source: Vacon NX Liquid-Cooled Drive