Garmin GNC 420AW Installation Manual - page 125
400W Series Installation Manual
Page 6-3
190-00356-02
Rev. E
Table 6-1. Troubleshooting Guide
Problem Possible
Cause
Solution
•
400W Series unit ARINC 429
output not configured correctly.
•
Check ARINC 429 output port setting
for port that device is connected to.
•
ARINC 429 output port speed
not correct
•
Check ARINC 429 output port speed
setting for port that device is
connected to and verify that the speed
is correct for that device.
ARINC 429 device
is not receiving data
from the 400W
Series unit.
•
Wiring connections are
incorrect.
•
Check wiring.
•
400W Series unit RS-232 port
not configured correctly.
•
Check RS-232 port setting for port
that device is connected to.
•
Improper setup on the remote
device.
•
Verify the configuration of the other
device.
•
Device not compatible, or
improper connection.
•
Verify 400W Series unit RX is
connected to remote device TX and
400W Series unit TX is connected to
remote device Rx.
RS-232 device is not
communicating with
the 400W Series
unit.
•
Multiple TX lines connected
together.
•
Verify that there is only one TX
source per RX port.
6.2 Contacting the Factory for Assistance
If the 400W Series unit fails to operate despite troubleshooting efforts, contact Garmin Technical
Support for assistance.
GARMIN International, Inc.
1200 East 151st Street
Olathe, KS 66062-3426
USA
Phone: (913) 397-8200
FAX: (913) 397-8282
http://www.garmin.com
Be prepared to offer the following information about the installation:
•
Installation configuration (list of any accessories)
•
Model number, part number with mod levels, and serial number
•
Software Versions
•
Description of problem
•
Efforts made to isolate the problem