35
Appendix
Problem
Possible Cause
Action
Intercom doesn’t function
Input not connected
Check connections
No voice activation, or must
talk too loud
Check System page, Com Op-
tions, Intercom level
Can’t change active frequency Com Radio not communicat-
ing
Contact dealer
OBS readout displays “---”
Resolver failure
Contact dealer
Calibration error
Recalibrate resolver
Display shows
“Incorrect Calibration Check-
sum” at start-up
Corrupted system calibration
parameters
Contact factory
