Delta VFD150C43A-21

Chapter 14 Fault Codes and DescriptionsC2000 Plus
14-97
ID* Display on LCD Keypad Fault Name Fault Descriptions
143
Auto-tune error 2
(AUE2)
Motor phase loss error when motor parameter
automatically detects
Action and Reset
Action condition Software detection
Action time Act immediately
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Reset immediately
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 circuit 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.