Garmin GNS 530AW Installation Manual - page 125
500W Series Installation Manual
Page 6-3
190-00357-02
Rev. D
Table 6-1. Troubleshooting Guide
Problem Possible
Cause
Solution
•
Desired RMI source has not
been selected.
•
Check the OBI source selection on
the Main CDI/OBS Config page.
RMI pointer does
not indicate
correctly
•
Wiring connections are
incorrect.
•
Check wiring.
•
Incorrect configuration.
•
Check the DME Channel Mode on
the VOR/LOC/GS CDI page.
Tuning data not
updating DME
•
Wiring connections are
incorrect.
•
Check wiring.
•
500W 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 GPS
500W/GNS 530W.
•
Wiring connections are
incorrect.
•
Check wiring.
•
500W 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 500W Series unit RX is
connected to remote device TX and
500W Series unit TX is connected to
remote device Rx.
RS-232 device is not
communicating with
the GPS 500W/GNS
530W.
•
Multiple TX lines connected
together.
•
Verify that there is only one TX
source per RX port.