Delta ME300 Series - Page 423

Chapter 14 Fault Codes and Descriptions
ME300
14-28
No. Display on LED 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.01-01–01-02.
Set Pr.01-00 larger than motor rated frequency.
Incorrect motor wiring Check the wiring.
Motor shaft lock Remove the cause of motor shaft lock.
The electromagnetic contactor is
OFF at output side (U/V/W) of the
drive
Make sure the electromagnetic valve is ON.
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.01-12–01-19 (Accel./Decel. time).