Delta VFD2A7MS43ANSAA

Chapter 14 Fault CodesMS300
628
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
143
Auto-tune error 2
(AuE2)
Motor phase loss error when the motor parameter
automatically detects
Action and Reset
Action Condition
Software detection
Action Time
Immediately act
Fault Treatment Parameter
N/A
Reset Method
Manual reset
Reset Condition
Immediately reset
Record
Yes
Cause
Corrective Actions
Incorrect motor wiring
Wire the motor correctly.
Motor error
Check if the motor works normally.
The electromagnetic contactor is
used as an open state on the
output side of the drive (U/V/W).
Verify that the three-phases of the electromagnetic valve are all closed.
Motor U/V/W wire error
Check if the wires are broken.