Delta MS300 Series User Manual page 616

ID Display on LCD Keypad
84
Action Condition
Action Time
Fault Treatment Parameter
Reset Method
Reset Condition
Record
Cause
Unbalanced three-phase
impedance of the motor
Check if the wiring is incorrect
Check if the motor is a single-
phase motor
Check if the current sensor is
broken
Check if the drive capacity is
larger than the motor capacity
Fault Name
Output phase loss
W phase
(oPL3)
Action and Reset
Pr.06-47
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.
Pr.06-45
0: Warn and continue operation
1: Fault and ramp to stop
2: Fault and coast to stop
3: No warning
Manual reset
Immediately reset
When Pr.06-45 = 1 or 2, oPL3 is a "Fault", and the fault is recorded.
Replace the motor.
Check the cable and replace it if necessary.
Choose a three-phase motor.
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.
Choose the drive that matches the motor capacity
607
Fault Descriptions
W phase output phase loss
Corrective Actions
Chapter 14 Fault CodesMS300