Furuno LS-6100 manual Diagnostics, Troubleshooting table, If… Then check …, Test display

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3.6 Troubleshooting

The table below provides basic troubleshooting procedures which the user may follow to restore normal operation.

Troubleshooting table

If…		Then check …
neither echo nor	•	battery voltage.
fixed range scale	•	fuse.
appears	•	power supply.
	•	power supply.
	•	power cable.
no echo appears	•	if display advance
but the fixed		speed is set to “Stop.”
range scale	•	transducer plug
appears
echo appears but	•	if range shifting is set
no zero line		to “0.”
sensitivity is low	•	gain setting.
	• if air bubbles or marine
		life is clinging to the
		transducer face.
	•	if sediments are
		present in the water.
	• if the bottom is too soft
		to return an echo.
there is extreme	•	if the transducer is too
interference or		close to the engine.
noise	•	if the unit is properly
		grounded.

3.7 Diagnostics

If you feel your unit is not working properly, conduct the diagnostic test to find the problem. If you cannot restore normal operation, contact your dealer for advice.

1.Turn on the power while pressing the [MENU/ESC] key. Continue pressing the [MENU/ESC] key until the Installation menu appears.

Installation Menu

SIMULATION		On
TEST ...
LCD PATTERN ...
MEMORY CLEAR
NMEA PORT		: In/Out
NMEA MIX		: Off
GPS WAAS*		: Off

SET BOTTOM LEVEL ..

*= Setting cannot be changed when NMEA PORT setting is "In/In."

Installation menu

2.Press▼ to choose TEST.

3.Press ► to start the test.

Level bar

	• if other echo sounders
		of the same frequency
		as own are being
		operated nearby.
the speed/water	•	sensor plug.
temperature
readout is
unrealistic or not
present
the position	•	the connection
readout is		between sounder and
unrealistic or not		navigator.
present	•	navigator.

Water Temperature, Speed

Battery Voltage Temperature inside display unit

(Unit fixed at

°C.)

ROM : OK

RAM : OK

NMEA :

Temp : 68.2° F

Speed : 10.0km/h

Power : 12.4 V

Body : 39° C

Program No. 0252308-01.** Push [MENU] 3 times to exit.

** = Program version no.

Test display

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Contents Echo Sounder 00080926502 Table of Contents Do not disassemble or modify the equipment Use the proper gain settingDo not open the equipment Use the proper fuseSafety Instructions for the Installer Use the specified power cableWord to LS-6100 Owners FeaturesForeword IiiStandard supply Name Type Code No Qty Remarks System configuration Equipment listsSystem Overview Optional equipment Name Type Code No Qty RemarksOperation Turning the Power On/OffHow to remove the hard cover Control DescriptionMode selection window Adjusting Display Contrast, BrillianceBrilliance/contrast adjustment window Choosing a Display, FrequencySingle frequency display Dual frequency displayMarker-zoom display Nav data displays Bottom-zoom displayBottom-lock display Bottom-zoom displayHow automatic operation works Menu Operating ProcedureAutomatic Operation Choosing automatic operationRange offset Choosing the manual modeManual Operation Gain offsetUnit Basic Range Adjusting the gainChoosing Picture Advance Speed Shifting the rangeMeasuring Depth Scope DisplayClutter appearance Suppressing InterferenceSuppressing Low Level Noise Forms of interferenceWaypoints Erasing Weak EchoesWhite Line 49.6Setting destination waypoint Registering waypoint from the waypoint listEditing waypoints Using the Prog keyProg Key Erasing waypointsActivating an alarm AlarmsAlarm description Picture Color HueAlarm options Depth, temperature, speed setting windowAlarm menu Fish level optionsHow the alarm works Setting the DraftResetting Trip Distance Gain CompensationSetting Up Nav Data Displays NAV Data Setup windowNav data window and item displayable 30 00.065N 130 00.574ENav data displays System Menu System & Installation MenusWater temperature display wide, F System menusNav window water temperature and speed Installation Menu Installation menuClear memory display Bottom level displayWaas options window MAINTENANCE, Troubleshooting Troubleshooting table TroubleshootingDiagnostics If… Then check …Test Pattern Test patternsInstallation Display UnitThru-hull Mount Transducer Acceptable transducer mounting locations Thru-hull mount transducer mounting Dimensions millimetersTypical thru-hull mount transducer installations Suitable transducer mounting locationsTransom Mount Transducer Construction of fairing blockTransom mount transducer Mounting locations Tape Transom mount transducerInside-hull Transducer Final preparation Pre-test for speed and temperatureOptional Triducer Tools and materials neededMounting location on single drive boat Installation of bracketHeight required at mounting location Positioning the templateAngle Shim with Taper down Taper up Adjusting10 11 transom angle Transom Parallel Transom angleAttaching the sensor to the bracket Attaching the sensor to the bracketCable routing Water temperature/speed sensor Optional Water Temperature/Speed SensorWiring Establishing the groundWater temp/speed sensor Optional equipmentPin arrangement on Nmea port Connection of converterIEC 61162-1 Data Sentences Wind sensorFeeding data to RD-30 via the LS-6100 Specifications of the Echo Sounder LS-6100 Page