Chapter 14 Fault Codes and DescriptionsC2000  Plus 
 
ID*  Display on LCD Keypad  Fault Name  Fault Descriptions 
112 
PMLess shaft lock 
(SfLK) 
The drive has RUN command with output frequency, 
but the permanent magnetic motor does not turn.   
Action and Reset 
Action condition  Software detection 
Action time  3 sec. 
Fault treatment parameter  N/A 
Reset method  Manual reset 
Reset condition  Reset immediately 
Record  Yes 
Cause  Corrective Actions 
Improper setting of the speed 
observer bandwidth 
Increase the setting value. 
Motor shaft lock  Remove causes of the motor shaft lock. 
Motor error (e.g. demagnetization)  Replace the motor with a new one.