7.8 Backup Function Operating Mode Display and Errors
296 YASKAWA SIEPC71061753C GA500 Technical Manual
Code Name Causes Possible Solutions
vAEr Voltage Class, Capacity Mismatch
The power supply specifications or drive capacity
parameter settings are different between the keypad
and the drive.
1. Make sure that drive model and the value set in o2-04 [Drive
Model (KVA) Selection] agree.
2. Restore the parameters.
Code Name Causes Possible Solutions
vFyE Parameters do not Match
The parameters that are backed up in the keypad
and the parameters in the drive are not the same.
1. Restore or backup the parameter again.
2. Verify the parameters.
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