Troubleshooting Chart - Standard Horizon GX2200 Owner's Manual

17.3 TROUBLESHOOTING CHART

SYMPTOM
Transceiver fails
to power up.
T r a n s c e i v e r
blows fuse when
c o n n e c t e d t o
power supply.
Popping or whin-
i n g n o i s e f r o m
the speaker while
engine runs.
Sound is not emit-
ted from the inter-
n a l o r e x t e r n a l
speaker.
Sound is not emit-
ted from the PA
speaker.
Receiving station
reports low trans-
mit power, even
with transceiver
set to HI power.
"HI BATTERY" or
" L O B AT T E R Y "
message appears
when the power is
turned on.
Your position is
not displayed.
Page 132
PROBABLE CAUSE
No DC voltage to the
tr an sc eive r, or blown
fuse.
Reversed power wires.
Engine noise.
Accessory cable.
Accessory cable.
Antenna.
The power supply volt-
age is too high or too
low.
Accessory cable.
Setting of the GPS chart
plotter.
REMEDY
a. Check the 12VDC battery connections
and the fuse.
b. T h e P W R / V O L k n o b n e e d s t o b e
pressed and held to turn the radio on.
C h e c k t h e p o w e r c a b l e f o r D C
voltage, or replace the fuse (6A).
Make sure the red wire is connected to
the positive (+) battery post, and the black
wire is connected to the negative (–)
battery post. If the fuse still blows, contact
your Dealer.
Re-route the DC power cables away from
the engine. Add noise suppressor on
power cable. Change to resistive spark
plug wires and/or add an alternator whine
filter.
Check the connections of the accessory
cable. External speaker cable (WHITE/
SHIELD) shorted together.
Check the connections of the accessory
cable. PA speaker cable (RED/SHIELD)
shorted together.
Have the antenna checked or test the
transceiver with another antenna. If the
problem persists, contact your Dealer for
servicing.
Confirm that the connected power supply
voltage is between 11 volts and 16.5 volts
DC.
Check the accessory cable connection.
Some GPS use the battery ground for
NMEA connection.
Check the output signal format of the GPS
navigation receiver. This radio requires
NMEA0183 format with GLL, RMB, or
RMC sentence as an output signal. If the
GPS has a baud rate setting make sure to
select 4800 and parity to NONE.
GX2200