Troubleshooting Charts Using Fault Codes
92 9000X AF Drives MN04001004E—May 2011 www.eaton.com
F10—Input Line Supervision
F10
Mains
OK?
No
Y
es
Measurements
OK?
Measure mains voltage at input terminals
No
Make corrections to mains, change fuses
If fuses blown, check for possible
internal failures in converter
Occasionally, existing line dips or
disturbances may activate line supervision
function. Ensure quality of line powe
r
Y
es
Check rectifier-circuit and
DC capacitors according to instructions
in service manual
Replace defective parts as
recommended in spare part lists
Clear fault memory
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