Operating Instructions

Fault Codes
Digital Keypad
339 | 443
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 level
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
ID*
Display on LCD Keypad
Fault Name
Fault Descriptions
87
Low frequency overload
protection (oL3)
Low frequency and high current protection
Action and Reset
Action level
Software detection
Action time
Immediately act
Fault treatment parameter
N/A
Reset method
Manual reset