Chapter 14 Fault Codes and DescriptionsC2000 Plus 
 
ID*  Display on LCD Keypad  Fault Name  Fault Descriptions 
92 
 
Pulse Tuning 
Inductance (L) Error 
(LEr) 
This fault code occurs when D-axis and Q- axis 
inductance auto-tunes for more than 3 times.     
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 
The motor drive doesn’t 
disengaging the load. 
Verify if the motor drive is auto-tuning. 
Mistake on setting up the motor 
parameters.   
Verify if you set up the motor parameters according to the nameplate on the 
motor.