ST60 Thruhull Speed & Depth Transducer Problem
- Thread starter onlinelee
- Start date
Did you 'shield' the connections at all? I believe all these very low current transmission wires have shielding to minimize interference from spurious emissions.
Hey,
I frequently have the same problem. In my case I need to make sure the transducer is inserted ALL THE WAY DOWN into the thru hull. Sometimes it seems like it's down in there, but isn't. Aligning it can be difficult.
Also, the paddlewheel needs to spin VERY easily. If you blow on it, and it doesn't spin, then it probably won't spin in the water either. I use a little emery paper to sand down the pin. That helps the wheel spin freely.
Good luck,
Barry
I frequently have the same problem. In my case I need to make sure the transducer is inserted ALL THE WAY DOWN into the thru hull. Sometimes it seems like it's down in there, but isn't. Aligning it can be difficult.
Also, the paddlewheel needs to spin VERY easily. If you blow on it, and it doesn't spin, then it probably won't spin in the water either. I use a little emery paper to sand down the pin. That helps the wheel spin freely.
Good luck,
Barry
Thanks Barry, mine is kind of idiot proof, the transducer drops in and sits well as its always done before. I spray the wheel and pin with silicon after cleaning, so over the past two years its always worked well. Im going to consider all the comments and if still not working when inserted will dive it to see whats happening and then report back.
I may be wondering. Is the thru hull itself seated correctly so when the instrument is placed into position with the arrow pointing forward, there have been no issues. Then I read silicon spray, what is it that you are using?
Uh..... that's how you figure the current.... a comparison between SOG and STW.
Its a silicon based lubricant, its very popular here in preference to other lubs.
As promised here is what I think was my problem... I tried and looked at everything kind members suggested,
after holding and testing the transducer in every orientation out of the water the transducer worked perfectly until inserted thru the hull, then nada!! I did as Kings suggested and hey presto
The wire and unit are sealed as far as I can see, the wire only moves in and out a little but I guess thats enough!
Thanks to all and Kings for the help.
Yeah!! I suspect you're only a few weeks from total failure of the (internal) wiring connection. There's probably corrosion going on inside there where it appears to be sealed.
I suspect you're only a few weeks from total failure of the (internal) wiring connection. There's probably corrosion going on inside there where it appears to be sealed.
Yeah, credit where its due! I assume you only confirmed your problem after cutting the unit open?Yeah!!
I would replace it.
https://www.ebay.com/p/Raymarine-E2...d=282398040205&_trksid=p2047675.c100005.m1851
or up grade it to ST70.
The newest has improvements.
Jim...
https://www.ebay.com/p/Raymarine-E2...d=282398040205&_trksid=p2047675.c100005.m1851
or up grade it to ST70.
The newest has improvements.
Jim...
It came apart when I was pulling it out of the thru-hull There are actually two pieces making up the plug that goes into the thru-hull.
You know Ive never pulled it out holding the wire, I only use the ring thats attached to the top when extracting it and always just hold the top part when reinserting it. But hey, it must be well over 10 years old and who knows what the previous owner did with it. Thanks again.
Things break unfortunately. Some well before you would expect or before you would like. Our boat is 5 years old and I recently replaced my DST800 triducer. The intermittency near drove me crazy. One day it would output accurate speeds the next 3 it would read 0.0 kts and then it would work the next time out. The temperature reading stopped working long ago. I replaced the DST800 and all is well now. Even the water temperature is accurate @10.2C, burrrr.
Tell me about it!! Every time I look at my boat something breaks or falls off or doesn't work the way it used to, but this is the life we choose;-)
If when you you replace the transducer the newer transducers are different size and will need to hall the boat and repace the whole thing,me and friend did this a few years back and found out the new transducers uses a little bigger hole size for the part that the plug goes in and so maybe look for a older model that uses same size.
nick
Nick
nick
Nick
Not entirely true; I just replaced mine a few weeks ago. The paddlewheel (transducer) and blank fit the existing thru-hull perfectly.
A friend got hit with lightening and the new transducers were slightly larger and I also changed mine at the same time and they were Airmar and with both had the open the holes about 1/8 larger.
Nick
Nick