Installation Manual

Troubleshooting Charts Using Fault Codes
88 9000X AF Drives MN04001004E—May 2011 www.eaton.com
F6—Emergency Stop
F6
Measured
voltage
OK?
Yes
No
Check the reason for external fault
programmed to a digital input. Reset the fault
and start up the unit. Measure operating
voltage (+24 Vdc) from frequency converter
Look at the monitoring page
for the digital input and measure
signal from external device
If measured value
is OV=>
replace
external device
Check +24V circuit in converter
Replace defective parts as
recommended in spare parts lists
If measured value
is 24V and
monitored value
is OFF=>
replace I/O board
Clear fault memory