YASKAWA GA800

Troubleshooting
7
7.8 Backup Function Operating Mode Display and Errors
YASKAWA SIEPC71061737D GA800 Drive Technical Reference 413
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.