Delta VFD1A5MS43ANSAA User Manual

Chapter 14 Fault CodesMS300
562
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
15
Phase loss protection
(orP)
Phase loss of power input
Action and Reset
Action Condition
When DC bus ripple is higher than the protection level, and the output current
exceeds 50% of the rated current, the drive starts counting. When the counting
value reaches the upper limit, an orP error occurs.
Action Time
The action time varies with different output current.
Fault Treatment Parameter
Pr.06-53
Reset Method
Manual reset
Reset Condition
Immediately reset when DC bus is higher than Pr.07-00
Record
Yes
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
Verify the setting value for Pr.06-50 Time for Input Phase Loss Detection and
Pr.06-52 Ripple of Input Phase Loss
Unbalanced three-phase of input
power
Check the power three-phase status.

Delta VFD1A5MS43ANSAA Specifications

General

Brand	Delta
Model	VFD1A5MS43ANSAA
Category	DC Drives
Language	English