Table 5-12. Third-Party Sensor Alert Troubleshooting Guide - Garmin GTN 6 series Maintenance Manual

5.3.1.10 Third-Party Sensors Related Alerts

Table 5-12. Third-Party Sensor Alert Troubleshooting Guide

Alert Text
STORMSCOPE - Stormscope
is inoperative or connection to
GTN is lost.
STORMSCOPE - Invalid
heading received from
Stormscope.
DATA SOURCE - Pressure
altitude source inoperative or
connection to GTN lost.
System Maintenance Manual GTN 6XX/7XX Part 23 AML STC
Page 5-18
Possible Cause
Stormscope is not powered up.
Wiring corrections are
incorrect.
Stormscope is reporting a
system failure.
The Stormscope is receiving
invalid heading.
The GTN is configured to
receive pressure altitude, but is
not receiving it from any
source.
Corrective Action
Ensure Stormscope is
receiving power and is
connected to ground.
Check wiring.
Refer to Stormscope
installation manual for
troubleshooting.
Refer to Stormscope
installation manual for
troubleshooting.
If the GTN is not expected to
receive pressure altitude,
ensure that "Altitude Source
Input" is configured for "Not
Connected".
Check RS-232 port setting for
the port that the device is
connected to.
Verify the configuration of the
other device.
Verify the GTN RX channel is
connected to the remote
device TX channel.
Verify there is only one TX
source per RX port.
Check wiring.
190-01007-A1
Rev. 6