GX5500S
Page 104
14.3 TROUBLESHOOTING
CHART
SYMPTOM
PROBABLE CAUSE
REMEDY
Transceiver fails
to power up.
No DC voltage to the
transceiver, or blown
fuse.
a. Check the 12VDC battery connections
and the fuse.
b. The
PWR
key needs to be pressed and
held to turn the radio on.
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.
Reversed power wires.
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.
Popping or whin-
i n g n o i s e f r o m
the speaker while
engine runs.
Engine noise.
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
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Sound is not emit-
ted from the inter-
n a l o r e x t e r n a l
speaker.
Accessory cable.
Check the connections of the accessory
cable. External speaker cable (WHITE/
SHIELD) shorted together.
Sound is not emit-
ted from the PA
speaker.
Accessory cable.
Check the connections of the accessory
cable. PA speaker cable (RED/SHIELD)
shorted together.
Receiving station
reports low trans-
mit power, even
with transceiver
set to HI power.
Antenna.
Have the antenna checked or test the
transceiver with another antenna. If the
problem persists, contact your Dealer for
servicing.
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message appears
when the power is
turned on.
The power supply volt-
age is too high or too
low.
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voltage is between 11 volts and 16.5 volts
DC.
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message is shown
when the PA/FOG
mode is activated.
Accessory cable.
Check the connections of the accessory
cable. PA speaker cable (RED/SHIELD)
shorted together.
Your position is
not displayed on
the Chart Plotter.
Accessory cable.
Check the accessory cable connection.
Some GPS Chart Plotters use the battery
ground for NMEA connection.
Setting of the GPS chart
plotter.
Check the output signal format of the
GPS chart plotter. This radio requires
NMEA0183 format with GGA, GLL, GNS,
or RMC sentence as an input signal. If the
GPS has a baud rate setting make sure to
select 4800 and parity to NONE.
W h i l e i n PA o r
FOG listen back
modes, AM broad-
c a s t s c a n b e
heard.
Strong AM radio stations
are being pickup up by
the speaker wires.
Need to replace the speaker wires to a
shielded 2 conductor wire available from
Radio Shack part number 278-513. Refer
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6.5 ACCESSORY CABLES
”
for cable connections.