16/09/2026
Why Does FL13 / AL13 Alarm Occur in a VFD? ⚡
Facing an FL13 / AL13 overcurrent alarm in your VFD? In this video, we explain the possible reasons and the basic troubleshooting steps.
🔹 Overcurrent: More than 200% of the drive’s full-load current for 1.5 seconds
🔹 Check whether Motor kW and VFD kW are matching
🔹 Check Motor Ampere and VFD Ampere
🔹 Verify the motor data settings
🔹 Adjust Ramp Up & Ramp Down timing according to the application
🔹 Check motor connections and possible mechanical stress/jamming
🔹 If required, check the VFD by removing the UVW output connection
Understanding the cause of the alarm can help you troubleshoot VFD issues more effectively. ⚙️
Save this video for your next VFD troubleshooting! 🔧
FL13 alarm, AL13 alarm, VFD overcurrent alarm, VFD troubleshooting, VFD fault, VFD error, overcurrent fault VFD, VFD motor connection, VFD ramp up ramp down, motor VFD troubleshooting, VFD repair, variable frequency drive, industrial automation, electrical troubleshooting, motor drive fault