Do you really have a through hull transducer (hole in hull with xdcr face in water) or an in hull xdcr on inside shooting through the hull? Shooting thru hull can be tricky and never as efficient as an actual thru hull.
Need to check what they call bottom lock and when your running none read correct i have a hd 10 and when im running it wont read correct
SOURCE: it shows the correct depth and then intermittently
I have this problem as well! Mine is on the LMS 332C
SOURCE: lowrance x135 not functioning properly
Had the same issue with another brand. Turned out the transducer cable was picking up noise from other cables (power, trolling mtr. etc). Try moving the transducer cable away from any other cables. I put the cable in a 1/4 " plastic housing up to the point where it was above deck and it stopped all the strange stuff. Not sure about the temp issue??
SOURCE: My Lowrance X-51 is not reading the depth sitting
Yes quite possibly... But a few things to try/check first before you go out and get a new transducer...
1. Ensure the transducer is fully submersed below the waterline when floating and when on the plane... try lowering it more if you can.
2. Check the surface of the transducer itself (the underside) pointing down... If there are any minor scratches or scuffs, this can effect its function or performance. Minor scratches or marks can be sanded out with fine wet/dry sandpaper (at least 400 or 800 grit).
3. Isolate any electrical wires running near or next to the transducer cable. Also check connection of cable at head unit, and that the pins etc are clean, free of corrosion and making good contact.
4. Take your head unit to your Lowrance dealer and they may have a transducer there to use to diagnose whether it is indeed the trasnducer or a problem with the head unit.
Good luck!
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