User's Manual

Page 99GX1300
11.3 TROUBLESHOOTING CHART
SYMPTOM PROBABLE CAUSE REMEDY
Transceiver fails to
power up.
No DC voltage to the
transceiver, or blown
fuse.
a. Check the 12 VDC battery connections and
the fuse.
b. The VOL knob needs to be rotated clock-
wise to turn the radio on.
Transceiver blows
fuse when connected
to power supply.
Reversed power
wires.
Check the power cable for DC voltage, or re-
place the fuse (6 A 250 V).
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 whining
noise from the speak-
er while engine runs.
Engine noise. Reroute 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 lter.
Sound is not emitted
from the internal or
external speaker.
Accessory cable. Check the connections of the accessory cable
(Possible short circuit on the External speaker
cable WHITE/SHIELD).
Receiving station
report low transmit
power, even with
transceiver set to HI
power.
Antenna. Have the antenna checked or test the trans-
ceiver with another antenna. If the problem
persists, contact your Dealer for servicing.
“HI BATTERY” or “LO
BATTERY” message
is appeared when the
power is turned on.
The power supply
voltage is too high or
too low.
Conrm that the connected power supply volt-
age is between 10 volts and 17 volts DC. Con-
rm that the generator has not malfunctioned.
Your position is not
displayed.
Accessory cable. Check the accessory cable connection.
Some GPS use the battery ground line for
NMEA connection.
Setting of the GPS
navigation receiver.
Check the output signal format of the GPS
navigation receiver. This radio requires
NMEA0183 format with GLL, RMC, GGA, or
GNS sentence as an output signal. If the GPS
has a baud rate setting make sure to select
4800 and parity to NONE.