Danfoss VACON NX FI6 Operating Manual page 144

Operating Guide | VACON® NX Inverters FI4-FI8
12.10.70 Fault 25 - Microprocessor watchdog fault, Subcode S1 - CPU watchdog timer
Cause
• operation malfunction
• defective component
Troubleshooting
• Reset the fault and start the drive again.
• If the fault shows again, ask instructions from the local distributor.
12.10.71 Fault 25 - Microprocessor watchdog fault, Subcode S2 - ASIC reset
Cause
• operation malfunction
• defective component
Troubleshooting
• Reset the fault and start the drive again.
• If the fault shows again, ask instructions from the local distributor.
12.10.72 Fault 26 - Start-up prevented, Subcode S1 - Prevention of accidental start-up
Cause
Start-up of the drive has been prevented. Run request is ON when new application is downloaded to the drive.
Troubleshooting
• Cancel prevention of start-up if it can be done safely.
• Remove Run request.
12.10.73 Fault 26 - Start-up prevented, Subcode S2 - RUN request is kept active after drive returns to
READY state from safe state
Cause
Start-up of the drive has been prevented. START command is ON when returning to READY state after Safe Disable has been active.
Troubleshooting
• Cancel prevention of start-up if it can be done safely.
• Remove Run request.
12.10.74 Fault 26 - Start-up prevented, Subcode S30 - RUN request given too quickly
Cause
Start-up of the drive has been prevented. START command is ON after system software or application was downloaded, or after
application was changed.
144 | Danfoss A/S © 2019.07
Specifications
AQ299433367205en-000101 / DPD00908