Delta MS300 Series User Manual page 503

Chapter 13 Warning CodesMS300
ID No. Display on LCD Keypad
28
Action Condition
Action Time
Warning Setting 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 capacity of the drive is
larger than the motor
Warning Name
Output phase loss
(oPHL)
Action and Reset
Pr.06-47
N/A
Pr.06-45
0: Warn and continue operation
1: Fault and ramp to stop
2: Fault and coast to stop
3: No warning
If Pr.06-45 is set to 0, the oPHL warning automatically clears after the drive
stops.
N/A
N/A
Replace the motor.
Check the cable.
Replace the cable.
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 error still occurs, 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 oPHL error still shows on the display, return to the
factory for repair.
Choose a drive's capacity matches a motor's.
494
Description
Output phase loss of the drive
Corrective Actions