Delta VFD1A5MS43ANSAA User Manual

Chapter 14 Fault CodesMS300
607
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
84
Output phase loss
W phase
(oPL3)
W phase output phase loss
Action and Reset
Action Condition
Pr.06-47
Action Time
Pr.06-46
Pr.06-48: Use the setting value of Pr.06-48 first. If DC braking function
activates, use that of Pr.06-46.
Fault Treatment Parameter
Pr.06-45
0: Warn and continue operation
1: Fault and ramp to stop
2: Fault and coast to stop
3: No warning
Reset Method
Manual reset
Reset Condition
Immediately reset
Record
When Pr.06-45 = 1 or 2, oPL3 is a “Fault”, and the fault is recorded.
Cause
Corrective Actions
Unbalanced three-phase
impedance of the motor
Replace the motor.
Check if the wiring is incorrect
Check the cable and replace it if necessary.
Check if the motor is a single-
phase motor
Choose a three-phase motor.
Check if the current sensor is
broken
Check if the control board cable is loose. If yes, reconnect the cable and run the
drive to test. If the fault still exists, return to the factory for repair.
Check if the three-phase current is balanced with a current clamp meter. If the
current is balanced and the oPL3 fault still exists, return to the factory for repair.
Check if the drive capacity is
larger than the motor capacity
Choose the drive that matches the motor capacity

Delta VFD1A5MS43ANSAA Specifications

General

Brand	Delta
Model	VFD1A5MS43ANSAA
Category	DC Drives
Language	English