Chapter 14 Fault Codes and DescriptionsC2000  Plus 
 
ID*  Display on LCD Keypad  Fault Name  Fault Descriptions 
148 
Auto-tune error 4 
(AUE4) 
Leakage inductance Lsigma 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 
Motor error  Check if the motor works normally. 
Incorrect setting of motor 
parameters (base frequency) 
Check the setting of Pr.01-01.