Delta VFD2A8MS21ANSAA User Manual

Chapter 14 Fault CodesMS300
608
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
87
Power module
overload (oL3)
The load almost reaches the upper limit of the power
module
Action and Reset
Action Condition
Software detection
Action Time
Immediately act
Fault Treatment Parameter
N/A
Reset Method
Manual reset
Reset Condition
Immediately reset
Record
Yes
Cause
Corrective Actions
The power module overloads
1. Decrease the drive’s load.
2. Lower the carrier frequency (Pr.00-17)
3. Lower the drive’s operation ambient temperature
4. Lower the current limit
5. Choose the drive with a larger power model
6. Increase acceleration time
7. Decrease the output voltage for low-frequency operation in V/F control mode.

Delta VFD2A8MS21ANSAA Specifications

General

Brand	Delta
Model	VFD2A8MS21ANSAA
Category	DC Drives
Language	English