190-01007-A1
System Maintenance Manual GTN 6XX/7XX Part 23 AML STC
Rev. 5
Page 5-17
5.3.1.9 TAWS Related Alerts
Table 5-11. TAWS Alert Troubleshooting Guide
Alert Text
Possible Cause
Corrective Action
REMOTE KEY STUCK -
TAWS inhibit key is stuck.
The TAWS inhibit input is stuck
in the enabled or pressed
state.
Press the TAWS Inhibit key 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 TAWS
Inhibit switch is pressed and
released.
Verify wiring to the switch.
If the problem persists, contact
Garmin technical support.
TAWS AUDIO INHIBITED -
The TAWS Audio Inhibit
discrete has been active for at
least 30 seconds.
There is a wiring problem or a
problem with the remote LRU
that is connected to the GTN
audio inhibit input.
Verify wiring to the TAWS
AUDIO INHIBIT input.
Go to the GTN DIAGNOSTICS
- DISCRETE INPUTS page in
configuration mode and check
the state of the discrete input.
If the problem persists, contact
Garmin technical support.
CONFIGURATION – Terrain/
TAWS configuration is invalid.
GTN needs service.
The TAWS configuration is
invalid due to a loss or
corrupted registry.
The TAWS/terrain
configuration setting must be
reselected. Reselect the
TAWS or terrain selection and
cycle power to the GTN.
If the problem persists, contact
Garmin technical support.
