Delta VFD300C43S-HS User Manual page 597

ID* Display on LCM Keypad
83
Action level
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
V phase output phase loss
V phase (OPHL)
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 keep operation
1: Warn and ramp to stop
2: Warn and coast to stop
3: No warning
Manual reset
Immediately reset
When Pr. 06-45=1 or 2, OPHL 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 OPHL fault still exists, return to the factory for repair.
Choose the drive that matches the motor capacity
14-43
Chapter 14 Fault Codes and DescriptionsC2000-HS
Fault Descriptions
Corrective Actions