Installation Manual

Troubleshooting Charts Using Fault Codes
110 9000X AF Drives MN04001004E—May 2011 www.eaton.com
F52—Keypad Communication Fault
F26?
No
Y
es
Plug in a functional panel
Test and/or replace control board
with functioning one according to
instructions in service manual.
Replace defective parts as
recommended in spare parts lists
Check keypad connections and its cable.
Replace broken parts
F52
Clear fault memory