Garmin Diamond DA40, Maintenance Manual

Page: 77 / 156

G1000/DA40 System Maintenance Manual Page 5-15
190-00303-03 Revision 6
COM Related Alerts, Continued
Failure Message Cause Solutions
COM1 RMT XFR – COM1 remote
transfer key is stuck.
The COM1 external remote
transfer switch is stuck in the
enabled (or “pressed”) state.
Press the COM1 external remote transfer
switch again to cycle its operation.
Check COM1 external remote transfer
switch and wiring.
Switch GIA1 and GIA2, to identify whether
the unit or connectors/wiring is at fault
(Both GIAs must be configured when
swapped, see Section 7.3.2)
9
If problem follows the unit, replace
GIA1.
9 If problem persists, continue to
troubleshoot remote transfer
switch & wiring.
COM2 RMT XFR – COM2 remote
transfer key is stuck.
The COM2 external remote
transfer switch is stuck in the
enabled (or “pressed”) state.
Press the COM2 external remote transfer
switch again to cycle its operation.
Check COM2 external remote transfer
switch and wiring.
Switch GIA1 and GIA2, to identify whether
the unit or connectors/wiring is at fault
(Both GIAs must be configured when
swapped, see Section 7.3.2):
9 If problem follows the unit, replace
GIA2.
9 If problem persists, continue to
troubleshoot remote transfer
switch & wiring.