Pioneer AVIC-U220 GPS Receiver User Manual


 
Troubleshooting
If you have problems operating your navigation system, refer to this section. The most common
problems are listed below, along with likely causes and solutions. If a solution to your problem
cannot be found here, contact your dealer or the nearest authorized Pioneer service facility.
Problems with the navigation screen
Symptom Cause Action (Reference)
The power doesnt turn on.The
navigation system doesnt oper-
ate.
Leads and connectors areincor-
rectly connected.
Confirm once morethat all connections are
correct.
The fuse isblown. Rectify the reasonfor the fuse blowing,then
replace the fuse.Be very sureto install a cor-
rect fuse withthe same rating.
The detachable devicebattery runs
down.
Wait until the detachabledevice battery re-
charges.
It maybe time to replacethe detach-
able devices internalbattery.
Please contact thenearest authorized
PioneerService Station.
The navigation systemis booting
up.
! Wait (approximately 10 seconds) afterre-
start before pressingthe MODE button of AV
receiver.
! When navigationsystem restarts, the blank
screen appears untilthe navigation system is
ready.Wait untilthe navigation screen reap-
pears.
You cannot position your vehicle
on the mapwithout a significant
positioning error.
The GPS antennais in an unsuitable
location.
The quality ofsignals from the GPSsatellites
is poor, causingreduced positioning accu-
racy. Check theGPS signal reception and the
position of theGPS antenna if necessary.
Obstacles are blocking signalsfrom
the satellites.
The quality ofsignals from the GPSsatellites
is poor, causingreduced positioning accu-
racy. Check theGPS signal reception and the
position of theGPS antenna if necessary, or
continue driving untilreception improves.
Keep the antennaclear.
The position ofsatellites relative to
your vehicle is inadequate.
The quality ofsignals from the GPSsatellites
is poor, causingreduced positioning accu-
racy. Continue driving untilreception im-
proves.
Signals from theGPS satellites have
been modified toreduce accuracy.
(GPS satellites areoperated bythe
US Department ofDefense, and the
US government reserves the rightto
distort positioning datafor military
reasons. This maylead to greater
positioning errors.)
The quality ofsignals from the GPSsatellites
is poor, causingreduced positioning accu-
racy. Wait until receptionimproves.
En
62
Appendix
Appendix