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Troubleshooting
Before contacting the Humminbird® Customer Resource Center, please read the
following section. Taking the time to review these troubleshooting guidelines
may allow you to solve a performance problem yourself, and therefore avoid
sending your unit back for repair.
700 Series™ Doesn’t Power Up
If your 700 Series™ doesn’t power up, use the Installation Guide that also
comes with it for specific confirmation details, making sure that:
• The power cable is properly connected to the 700 Series™ control head.
• The power cable is wired correctly, with red to positive battery terminal
and black to negative terminal or ground.
• The fuse is operational.
• The battery voltage of the power connector is at least 10 Volts.
Correct any known problems, including removing corrosion from the battery
terminals or wiring, or actually replacing the battery if necessary.
700 Series™ Defaults to Simulator with a Transducer Attached
A connected and functioning transducer will cause the newly-started Fishing
System to go into Normal operating mode automatically. If, when you power up
the Fishing System, it goes into Simulator mode automatically, even though a
transducer is already connected, this means that the control head is not
detecting the transducer. Perform the following troubleshooting tasks:
• Using the Installation Guide that also comes with your Fishing System,
check to make sure that the transducer cable is securely connected to
the Fishing System. Reconnect if necessary, and power up the Fishing
System again to see if this fixes the problem.
• Replace the non-functioning transducer with a known good transducer
if available and power up the control head again.
• Check the transducer cable. Replace the transducer if the cable is
damaged or corroded.
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