Furuno SC-120 manual Troubleshooting, Diagnostics, Symptom Cause Remedy, Diagnostic test1

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4. MAINTENANCE, TROUBLESHOOTING

4.2Troubleshooting

This section provides basic troubleshooting procedures which the user may follow to restore normal operation.

Troubleshooting

Symptom

Cause

Remedy

Cannot turn on the power.

Power connector on the

Firmly connect the power

 

processor unit

connector.

 

Power supply failure

Check the power supply.

 

Blown fuse

Check the fuse.

Heading indication

Sensor trouble

Run the diagnostic test2 to

changes randomly when

 

determine the cause.

ship is at anchor or does

 

 

not change when ship

 

 

moves.

 

 

Heading output from

Connection between

Firmly fasten the

SC-120 does not appear

SC-120 and external

connector.

on external equipment.

equipment has loosened

 

 

Sensor trouble

Run the diagnostic test1 to

 

 

determine the cause.

If large hading error occurs or heading indication is frequently interrupted, contact your dealer for advice.

4.3Diagnostics

Diagnostic test1

The diagnostic test checks the equipment for proper operation.

Note: Heading is not output during the diagnostic test, and this is communicated with an appropriate message. After completing the diagnostic test, turn the power off and on to update heading data.

1.Press the [MENU] key to open the menu.

2.Choose SYS SETUP and press the [ENT] key.

3.Choose TEST? and press the [ENT] key.

TEST1

TEST2

Test menu options

4. Confirm that TEST1 is selected and press the [ENT] key.

TEST START?

(STOP: PWR OFF)

ARE YOU SURE?

YES NO

Test start prompt

4-2

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Contents Satellite Compass 00080919206 Safety Instructions Table of Contents MAINTENANCE, Troubleshooting IiiFeatures ForewordWord to the Owner of the SC-120 System Configuration System configurationEquipment List Name Type Code No Qty RemarksSoftware Version List ViiThis page is intentionally left blank Specifications of Satellite Compass SC-120Power Supply Principle of Operation Principle of satellite compass operationThis page is intentionally left blank Installation Mounting ConsiderationsSC-series antenna unit Mast diameter Separation distance minimum Separation degreesAntenna and field of view Example of improper installation Example of improper installationDisplay unit, processor unit Installing the Antenna Units Installation postFastening antenna unit to a post Coating bolt, nut and washer with silicone rubberAntenna element Dgps antenna unit Mounting the Dgps antennaWaterproofing the extension connector Cable connection when using cable RG-10UYAntenna cable set Type OP08-17, Code No Installing the Processor Unit Deck mountProcessor unit orientation, deck mounting Bulkhead mount Processor unit, top viewAngular rate sensor, top view HEAD1HEAD2HEAD3 Installation on the underside of a desk Installation of processor unit on the underside of a deskProcessor unit orientation, bulkhead mounting Processor Unit, rear view Installing the Display Unit Adjusting for orientation errorDesktop, overhead mounting Display unit mounting methodsFlush mounting Flush mount FName Type Flush mount SWiring General wiring diagramAntenna TPPX6-3D2V-15M Port on Sectional view of coaxial cable 3D2V How to attach connector N-P-8DFB How to attach connector N-P-8DFBInitial Settings Installation setup menuConfirming satellite status choosing mounting method Main menuAdjusting antenna orientation Heading setup menuChoosing heading source Jumper wire and format on the circuit board 20P8171 Port Format Setting RemarksHeading data format Processor unit, cover opened, top viewInstalling the Dgps Beacon Receiver Kit Connection of External EquipmentProcedure Processor unit, cover removed, top viewJ56 Operation ControlsDisplay unit Turning the Power On/Off Processor unitPress the DIM key Choosing a Display Description of displaysHeading display Nav data displaySteering display Compass displayROT Rate-of-Turn display Set and Drift display, Distance Run displayAlarms Main menu 2. Choose Alarms and press the ENT keyAlarm menu Alarm menu, GPS buzzer optionsAlarm menu, Dgps buzzer options Confirming Satellite StatusSatellite status display GPS Setup Displaying the GPS setup menuGPS Setup menu description Output Data HeadingNavigation data InterfaceNAV OUT menu Format selection windowLog pulse Talker identifier mnemonicsLog pulse rate selection window Heading talker selection windowSystem Setup System Setup menuGeodetic data Using local time Units of measurementTime format Dgps Setup Demonstration modeManual Dgps setup Dgps menuINT Beacon receiver selection windowProgramming user beacon stations Beacon station displayStation User display Editing user beacon stations NEW User Channel displayDisplay for editing user channels Erasing individual user stations Erasing all user beacon stationsPrompt for erasure of all user channels Others Menu Others menuResetting Distance Run Reset Distance promptTrip Menu Trip menuThis page is intentionally left blank MAINTENANCE, Troubleshooting Preventive MaintenanceDo not open the equipment Troubleshooting DiagnosticsSymptom Cause Remedy Diagnostic test1MAINTENANCE, Troubleshooting Diagnostic test sequenceDiagnostic test2 TEST2 displayProgram Number Clearing DataProgram version no. display Prompts for erasure of dataReplacement of Battery Battery Location Type Code NoBattery exchange options Prompt for exchanging batteryReplacement of Fuse Error MessagesError Message Meaning Remedy Message displayError messages con’t from previous BattteryAppendix Menu TreeGeodetic Chart Codes North AmericanDigital Interface Schematic diagrams NAV OUT1 Port Data sentences PFECatt- True heading, pitching, rollingHDM- Heading magnetic VDR Set and drift VTG Course over ground and ground speed Port Label Connector Signal Remarks Type Input/Output PortsParts Location Processor unit, cover removedParts List R U N OPacking List SC-1203F 工事材料表 Page Page Page GP-1850,GP-1650,FA-100,GP-1640/F SC-60/120,GD/GP-280/680/380 20AG-X-9405 Page Page Page Page Page Page Page Page Index Index-1