Standard Horizon GX1250S owner manual Maintenance, Symptom Probable Remedy Cause

Page 18

6

MAINTENANCE

For preventive maintenance and instructions on obtaining factory service, please refer to the OWNER’S MANUAL SUPPLEMENT. For general troubleshooting, refer to the Troubleshooting Chart.

TROUBLESHOOTING CHART

 

SYMPTOM

PROBABLE

REMEDY

 

 

CAUSE

 

 

 

 

 

 

 

 

Transceiver fails to

No DC voltage to

Check power cable for DC

 

power up.

the transceiver or a

voltage or the replace the 6 A

 

 

blown fuse.

250 V fuse.

 

 

 

 

 

 

Transceiver blows fuse

Reversed power

Be sure the RED wire is

 

upon connection of the

connections.

connected to POSITIVE battery

 

power supply.

 

terminal and BLACK wire to

 

 

 

NEGATIVE terminal. If the

 

 

 

transceiver still blows the fuse,

 

 

 

contact your SCC Dealer.

 

 

 

 

 

 

Popping or whining

Engine noise.

Reroute DC power cables away

 

noise from speaker while

 

from engine. Add noise

 

the engine runs.

 

suppressor to the power cable.

 

 

 

Change to resistive spark plug

 

 

 

wires and/or add an alternator

 

 

 

whine filter.

 

 

 

 

 

 

External speaker plug

Incorrect plug on

The external speaker jack

 

does not fit into jack.

speaker cable.

accepts only RCA phono plugs

 

 

 

.

 

 

Internal speaker turns off

No problem.

Normal transceiver operation

 

when external speaker is

 

causes internal speaker cut-off

 

plugged in.

 

when external speaker is

 

 

 

plugged in.

 

 

 

 

 

 

Transceiver transmits

Channel mode.

The transceiver may be tuned

 

but does not receive.

 

to a duplex channel meant for

 

 

 

ship-to-shore radiotelephone

 

 

 

communications.

 

 

 

 

 

 

Transceiver transmits on

Antenna

Have antenna checked or test

 

low power only.

 

the transceiver with another

 

 

 

antenna. If problem persists,

 

 

 

contact your SCC Dealer.

 

 

 

 

 

 

 

 

 

 

Page 16

Owner's Manual

GX1250S

Image 18
Contents Standard Table of Contents General Information IntroductionFCC/DOC Information Packing List AccessoriesReplacement Parts OptionsControls and Indicators Controls and ConnectionsUP KEY Front Panel Rear Panel Microphone0PUSH-TO-TALK PTT Switch Indicators 1UP KEYMEM Indicator Installation Frequency and Deviation TestsLocation General Installation Installation Using Regular Mounting Bracket Installation Using CMB16 Flush MountTransmission OperationReception This is AN FCC RequirementTransmit Time OUT Timer TOT USA, International and Canadian ModesWeather Channels Scanning Priority ScanningWeather Alert Emergency Channel Operating on ChannelMaintenance Symptom Probable Remedy CauseTransmitter SpecificationsGeneral Receiver175B851012