Factory Service; Troubleshooting Chart - Standard Horizon Explorer GPS GX1700 Owner's Manual

16.2 FACTORY SERVICE

In the unlikely event that the radio fails to perform or needs servicing, please
contact the following:
Standard Horizon
Attention Marine Repair Department
6125 Phyllis Drive, Cypress, California 90630, U.S.A.
Telephone (800) 366-4566
For repairs in Canada
Westcom Marine
488 East 62nd Avenue Vancouver BC V5X2G1
Telephone (604) 327-6280
An "RA" Return Authorization number is not necessary to send a product in
for service. Include a brief note describing the problem along with your name,
return address, phone number, and proof of purchase.

16.3 TROUBLESHOOTING CHART

SYMPTOM
Transceiver fails
to power up.
Transceiver blows
f u s e w h e n c o n -
nected to 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 in-
ternal or external
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 on
the Chart Plotter.
GX1700
PROBABLE CAUSE
No DC voltage to the
tra n sce i ve r, o r b l o w n
fuse.
Reversed power wires.
Engine noise.
Accessory cable.
Antenna.
The power supply volt-
age is too high or too
low.
Accessory cable.
REMEDY
a. Check the 12VDC battery connections
and the fuse.
b. The key needs to be 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 (–) bat-
tery post. If the fuse still blows, contact
your Dealer.
Re-route the DC power cables away from
the engine. Add noise suppressor on pow-
er 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.
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 not 17 volts or lower than 10
volts.
Check the accessory cable connection.
Some GPS Chart Plotters use the battery
ground for NMEA connection.
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