Delta VFD11AMS23ANSAA - Page 589

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