Total Vehicle Technologies
14
System
Parameter
GPS Trouble Shooting
Problem
Probable Reason
Solution
Does not work
No GPS signal
Device fails
while using
Panel keeps
flashing
No voice
guidance,
Navigation
picture is wrong
1. Power cable not properly
connected
2. High temperature may cause
device not to work correctly
1. GPS antenna not properly
connected
2. Unit may take up to 20 min
to receive initial signal.
3. Under bridge or in tunnel,
bad GPS signal
Possible software hangup
Corrupted sd card
Power cable not properly
connected
1. Happens when recalculating
route
2. New road not in map data
3. On covered road, bad
GPS signal
1. This is normal when system
re-routes, please wait
2. Keep driving, GPS will
automatically recalculate
3. Make sure vehicle has
good view of the sky
Check power cable
Restart device
1. Check power cable is
connected properly
2. Power off for a while,
after unit cools, restart it
1. Check GPS antenna
2. The device need some time
to run and get GPS signal,
please wait for a while
3. Drive to a open area to get
good signal
