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Appendix D
Troubleshooting
This appendix contains information to troubleshoot the
Apollo 360 when improper operation is observed. The
table below lists possible problems you could encounter
while operating the unit. Examine the possible causes of
the problem andtake the action listed to correctthe trouble.
If you cannot correct the problem, contact your dealer. If
your dealer is unavailable, contact the II Morrow factory
at the address and phone number listed at the back of this
appendix.
Problem Possible Cause(s) Action
Unit does
not power
on
Open in power
supply circuit
Check circuit breaker -
reset if necessary
Faulty electrical
wiring or
connection
Contact your dealer to
perform electrical
system test
No GPS
signal
reception
Obstructed
signal path
Move aircraft out of
hangar or away from
buildings to provide the
antenna an unobstructed
view of the sky
Incorrect seed
position, time, or
UTC differential
entered
Check these settings
and make corrections if
necessary - refer to
Section 2
Unit in simulator
mode
Select “Aviation”
mode - refer to
Section 5, “Operation
Mode”
Faulty antenna,
wiring, or
connection
Contact your dealer to
check antenna and
wiring
Apollo 360 GPS Receiver Troubleshooting
P/N 560-0123-01 D-1