Insignia 105SX manual Troubleshooting, Nothing happens when I turn the unit on

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MAINTENANCE AND WARRANTY

TROUBLESHOOTING

•If your boat remains in the water for long periods of time, algae and other marine growth can reduce the effectiveness of the transducer. Periodically clean the face of the transducer with liquid detergent.

Pivoting the transducer up in the bracket may allow better access for inspection or cleaning.

•If your boat remains out of the water for a long period of time, it may take some time to wet the transducer when returned to the water. Small air bubbles can cling to the surface of the transducer and interfere with proper operation. These bubbles dissipate with time, or you can wipe the face of the transducer with your fingers after the transducer is in the water.

•Never leave the 105SX in a closed car or trunk—the extremely high temperatures generated in hot weather can damage the electronics.

TROUBLESHOOTING

Do not attempt to repair the 105SX yourself. There are no user serviceable parts inside, and special tools and techniques are required for reassembly to ensure the waterproof integrity of the housing. Repairs should be performed only by authorized Humminbird technicians.

Many requests for repair received by Humminbird involve units that do not actually need repair. These units are returned “no problem found.” If you have a problem with your 105SX, use the following troubleshooting guide before calling Customer Support or sending your unit in for repair. The 105SX contains several tools that can aid in determining if there is a problem and how to isolate and repair the problem in many cases.

1. Nothing happens when I turn the unit on.

Check the power cable connection at both ends. Be sure the cable is connected correctly to a reliable power source—red lead to positive, black lead to negative or ground. Ensure the power available at the mount is between 10 and 20 VDC. If the unit is wired through a fuse panel, ensure the panel is powered. Often accessory fuse panels are controlled by a separate switch or the ignition switch. Also, often a fuse can appear to be good when in fact is not. Check the fuse with a tester or replace it with a fuse known to be good.

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Contents Operations Manual Thank YOU Table of Contents Accessories Installation PreparationInstallation Overview Parts SuppliedDetermining How to Mount the Transducer Installation OverviewAlternate Transducers and Mounting Methods Alternate Transducers and Mounting MethodsPortable Mounting Trolling Motor MountingTransducer Exchange Beginning InstallationTransducer Exchange HOW Sonar Works Using the 105SXHOW Sonar Works Simulator Operation Feature MemorySimulator Operation What You See On-Screen What YOU see ON-SCREENWhen in Auto mode, the horizontal What YOU see on Screen Control Functions Control FunctionsUsing the 105SX Range of Adjustment Indicator Menu Functions Menu FunctionsUsing the 105SX Depth Range Upper Zoom Limit On the right side of the display. Zoom can Using the 105SX Bottom Black. There are two Raw Sonar ID+ On Using the Diagnostic Feature Advanced FeaturesUsing the Diagnostic Feature Maintenance Maintenance and WarrantyMaintenance Troubleshooting TroubleshootingNothing happens when I turn the unit on There is no bottom reading visible on the display There is no transducer detectedMy unit loses power at high speeds Unit comes on before I press POWER, and won’t turn offGet gaps in the reading at high speeds Humminbird ONE Year Full Warranty WarrantyService Policy Service PolicyCustomer Resource Center Customer Resource CenterTOP Specifications
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