Intel 150SX manual Troubleshooting, Nothing happens when I turn the unit on

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MAINTENANCE AND WARRANTY

TROUBLESHOOTING

actually need repair. These units are returned “no problem found.” If you have a problem with your 150SX, use the following troubleshooting guide before sending your unit in for repair. The 150SX 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.

Check the power connection to the 150SX. It is possible to force the power cable connector into the cable holder incorrectly. If the connector is reversed, the unit will not work. Examine the contacts on the back of the unit to ensure there is no corrosion. Finally, ensure the unit is firmly seated on the mount. The electrical contacts are not made until the unit is fully seated.

Ensure the metal cable retainer is properly installed in the mount. If not, the power connected may push out when the unit is put on the mount.

2. There is no transducer detected.

The 150SX has the ability to detect and identify that a transducer is connected. If, at power up, a message indicates “transducer not connected,” only simulator operation is possible. First, ensure that an appropriate transducer connector is positioned correctly in the connector holder, and that the unit is fully seated on the mount. The 150SX will work with the standard tri-beam transducer.

Second, inspect the transducer cable from end to end for breaks, kinks, or cuts in the outer casing of the cable. Also ensure the transducer is fully submerged in water. If the transducer is connected to the unit through a switch, temporarily connect it directly to the unit and try again. If none of these items identifies an obvious problem, the transducer itself is probably the problem. Be sure to in-

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Contents Operations Manual Thank YOU Table of Contents Installation Overview AccessoriesParts Supplied 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 HOW Sonar WorksSimulator Operation Simulator Operation Feature MemoryWhat You See On-Screen What YOU see ON-SCREENUsing the 150SX Control Functions Control FunctionsUsing the 150SX Menu Functions Menu FunctionsOn personal preference. You can select one There are four Zoom ranges available 7¹⁄₂ 2m, 15 5m, 30 10m, Using the 150SX Selected size fish symbol appears on-screen Adjustment will provide a higher level of contrast Fish ID Using the 150SX Using the Diagnostic Feature Using the DiagnosticUsing the 150SX Maintenance Maintenance and TroubleshootingTroubleshooting Nothing happens when I turn the unit on TroubleshootingThere is no transducer detected There is no bottom reading visible on the display Unit comes on before I press POWER, and won’t turn offGet gaps in the reading at high speeds My unit loses power at high speeds WarrantyCustomer Support Humminbird ONE Year Full WarrantyCustomer Support Specifications Page TOP Page Page Page
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