Installation Manual

Troubleshooting Charts Using Fault Codes
90 9000X AF Drives MN04001004E—May 2011 www.eaton.com
F8—System Fault
F8
F8?
No
Y
es
Reset the fault and start up the unit
Check subfault code (1-7)
Check control box with 9000X service
tool software according to
instructions in service manual
and change defective parts
Clear fault memory
Note: Subfault codes:
1 = feedback fault
2 = Asic fault
3 = Asic fault
4 = Asic fault
5 = vacon bus problem
6 = charging relay fault
7 = charging relay fault