Delta MS300 Series User Manual page 589

Chapter 14 Fault CodesMS300
ID Display on LCD Keypad
40
Action Condition
Action Time
Fault Treatment Parameter
Reset Method
Reset Condition
Record
Cause
Press "STOP" key during auto-
tuning
Incorrect motor capacity (too large
or too small) and parameter
setting
Incorrect motor wiring
Motor shaft lock
The electromagnetic contactor is
ON at output side (U/V/W) of the
drive
The load is too large.
Accel./Decel. time is too short
Fault Name
Auto-tuning error
(AUE)
Action and Reset
Hardware detection
Immediately act
N/A
Manual reset
Immediately reset
Yes
Re-execute auto-tuning.
Check motor capacity and related parameters.
Set the correct parameters, that is Pr.01-01–Pr.01-02.
Set Pr.01-00 larger than the motor rated frequency.
Check the wiring.
Remove the cause of motor shaft lock.
Make sure the electromagnetic valve is OFF.
Reduce the load.
Replace the motor with a larger capacity model.
Increase the setting values for Pr.01-12–Pr.01-19 (accel./decel. time).
580
Fault Descriptions
Motor auto-tuning error
Corrective Actions