190-01007-C1
GTN Xi Part 23 AML STC Maintenance Manual
Rev. 1
Page 5-14
5.3.1.3 VLOC/GS Related Alerts
Table 5-5 VLOC/GS Alert Troubleshooting Guide
Alert Text
Possible Cause
Corrective Action
VLOC RECEIVER -
Navigation receiver needs
service.
The GTN 650Xi/750Xi has
detected a failure in its navigation
receiver.
Contact Garmin technical support.
VLOC RECEIVER -
Navigation receiver has
failed.
The GTN 650Xi/750Xi has
detected an internal failure in its
VLOC receiver.
Contact Garmin technical support.
GLIDESLOPE - Glideslope
receiver needs service.
The GTN 650Xi/750Xi has
detected an internal failure in its
glideslope receiver.
Contact Garmin technical support.
GLIDESLOPE - Glideslope
receiver has failed.
The GTN Xi has detected an
internal failure in its glideslope
receiver.
Contact Garmin technical support.
REMOTE KEY STUCK -
NAV remote transfer key is
stuck.
NAV remote transfer
key is stuck
in the enabled or pressed state.
Press the
NAV remote transfer
switch to cycle its operation.
Go to the
GTN Diagnostics >
Discrete Inputs
page in
Configuration mode and check
that the state of the input changes
when the
NAV remote transfer
switch is pressed and released.
Verify that the NAV remote
transfer switch wiring is correct.
If the problem persists, contact
Garmin technical support.
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