Delta VP3000 Series - Page 559

Chapter 8 Troubleshooting｜VP3000
550
ID No.
Fault Name
Descriptions
82
Output phase loss U
phase (OPHL)
U phase output phase loss
Action and Reset
Action Condition
Pr. H3-02
Action Time
Pr. H3-03
Pr. H3-04: When enabling the output phase loss detection function before
starting, the confirmation time is half of this time, and the parameter H3-03 is
only used in normal operation
Fault Treatment Parameter
Pr. H3-05
0: Warning & continue OPER
1: Fault & Ramp to Stop
2: Fault & Auto-Decel
3: Fault & coast to stop
4: Fault & by Quick Stop Time
Reset Method
Manual reset
Reset Condition
Immediately reset
Record
Records when Pr. H3-05 ≠ 0, H3-05 is “Fault”
Cause
Corrective Actions
Unbalance three-phase
impedance of the motor
Replace the motor.
Check if the wiring is incorrect
Check the cable.
Replace the cable.
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 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.
If capacity of the drive is larger
than the motor
Choose the matches capacity of the drive and motor.