Garmin Boating - Page 2 - Recent Questions, Troubleshooting & Support
Depth not detected
I'd start by checking the transducer function. The easiest way is to borrow another one and see if it works. If it does, and yours doesn't, check for broken wires.
Won't turn on is voltage is under 12.9 volts
Sounds like you have a battery problem not a Electronics Problem. First thing is to solve that.
Also, you have to hold in the button to turn it on for a few seconds. More than once I thought I had a problem but simply did not hold the button long enough.
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