Troubleshooting 
 
 
This section describes how to analyze the cause and take countermeasures if the 
inverter fails, and provides troubleshooting for possible troubles. 
10-1 
Alarm Display and Remedies .......................................................................... 10-2 
10-1-1  Alarm Display .................................................................................................... 10-2 
10-1-2  Alarm Code List ................................................................................................. 10-4 
10-1-3  Option Unit Protective Function List ................................................................ 10-10 
10-1-4  Warning Display .............................................................................................. 10-11 
10-1-5  Other Indications on Digital Operator .............................................................. 10-12 
10-2 
Troubleshooting ............................................................................................. 10-13