Troubleshooting Charts Using Fault Codes
9000X AF Drives MN04001004E—May 2011 www.eaton.com 101
F31—IGBT Temperature (Hardware)
F31
Parameter
settings
OK?
No
Yes
Y
es
Check parameters in G2.1 and G2.6
Yes
Y
es
Make corrections to the settings
Start up the drive
F31?
F31?
Check motor and cables
Fix motor and
cables
No
No
Motor
and cables
OK?
No
Disconnect motor cable from the drive
Start up the drive
Check current measuring
circuit according to instructions
in service manual
and replace defective parts
Disbalance fault.
Check power modules and
current measuring circuit.
Replace defective parts
Note: F31 occurs only from FR9 and bigger
frame sizes
If F31 and F41 occur at the same time,
use F41 troubleshooting
Clear fault memory
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