Chapter 14 Fault Codes and DescriptionsC2000 Plus 
 
ID*  Display on LCD Keypad  Fault Name  Fault Descriptions 
144 
Auto-tune error 3 
(AUE3) 
No load current I
0
 measurement 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 settings for the motor 
parameter (rated current) 
Check the settings for Pr.05-01 / Pr.05-13 / Pr.05-34. 
Motor error  Check if the motor works normally.