Delta VP3000 Series - Page 514

Chapter 8 Troubleshooting｜VP3000
505
ID No.
Fault Name
Descriptions
15
Phase Loss Protection
(OrP)
Phase loss of power input
Action and Reset
Action Condition
The DC bus ripple is higher than the system allowed range
Action Time
No
Fault Treatment Parameter
Pr. H3-00 (OrP Action)
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
Automatically resets when Pr. H3-00 = 0 as “Warning”
It is “Fault” when Pr. H3-00 = 1–4, which must be reset manually.
Reset Condition
Immediately resets when the DC bus ripple is within the system allowed range.
Record
Records when Pr. H3-00 = 1–4 and OrP displays “Fault”
Cause
Corrective Actions
Phase loss of input power
Correctly install the wiring of the main circuit power.
Single phase power input to three-
phase model
Choose the model whose power matches the voltage.
Power voltage changes
If the main circuit power works normally, verify the main circuit.
Cycle the power after checking the power, if OrP error still exists, return to the
factory for repair.
Loose wiring terminal of input
power
Tighten the terminal screws according to the torque described in the user manual.
The input cable of three-phase
power is cut off
Wire correctly.
Replace the cut off cable.
Input power voltage changes too
much
Check if the input power voltage signal fluctuates.
Unbalanced three-phase of input
power
Check the power three-phase status.