Delta VP3000 Series - Page 562

Chapter 8 Troubleshooting｜VP3000
553
ID No.
Fault Name
Descriptions
87
Overload protection at low
frequency
(oL3)
Low frequency and high current protection
Action and Reset
Action Condition
Software detection
Action Time
Immediately act
Fault Treatment Parameter
No
Reset Method
Manual reset
Reset Condition
Immediately reset
Record
Yes
Cause
Corrective Actions
Power module overload
1. Reduce the motor drive’s load.
2. Decrease the carrier frequency (Pr. A5-00).
3. Decrease the ambient temperature of the drive’s operation.
4. Decrease the current limit.
5. Choose motor drives with lager power.
6. Increase the acceleration time.
7. If the drive is in V/F mode, decrease the output voltage for low-frequency
operation.