brad_tate Posted June 16, 2016 Share Posted June 16, 2016 Hi all, I have a Lowrance HDS 7 Gen 2 Touch fitted to my boat and recently it has stopped reading the water temperature. It just shows 0 degrees. I have the standard Lowrance transducer fitted (200/50 KHz I think). The transducer is externally mounted on the stern and originally worked perfectly. In my most recent trip to Tuross Lake it also had quite a few problems reading at speed despite pretty good water clarity, and took a long time to come good when we slowed down. Any ideas as to what is wrong? Is it as simple as a failing transducer that needs to be replaced? If so, does anyone have transducer recommendations? Our boating is mainly Estuary, with some inshore work. I am having no other issues, and have the latest software installed. Thanks in advance! Sent from my iPad using Tapatalk Link to comment Share on other sites More sharing options...
Ric001 Posted June 16, 2016 Share Posted June 16, 2016 You may want to check the sockets on the harness plug and the pins on the head unit. Even the slightest bit of surface corrosion will cause issues. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
brad_tate Posted June 17, 2016 Author Share Posted June 17, 2016 Thanks, will do that. Pretty easy job to clean them with Ethanol so should have thought of that myself. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Guest 4myson Posted June 18, 2016 Share Posted June 18, 2016 I had similar issues with mine not reading at speed & rang Lowrance direct & they talked me through as to how to reset the unit & have since not had any troubles . They were very helpfull ...Give them a call. Link to comment Share on other sites More sharing options...
SquidMarks Posted June 18, 2016 Share Posted June 18, 2016 Tastee, if you need a second transducer to confirm that yours is going cactus then im happy to lend you out my old HST-WSBL 83/200KHz. That was you can just plug it in your HDS7, stick the transducer in a bucket of water and see if it reads temp. Let me know if you want to go that way before you start ripping your transducer off your boat. Link to comment Share on other sites More sharing options...
brad_tate Posted June 22, 2016 Author Share Posted June 22, 2016 Thanks 4myson, will try that if cleaning doesn't work. Thanks also for the offer SquidMarks, I will let you know if I want to take you up on it, much appreciated. Sent from my iPad using Tapatalk Link to comment Share on other sites More sharing options...
brad_tate Posted July 10, 2016 Author Share Posted July 10, 2016 (edited) 4myson you were on the mark I think. I consulted Dr Google and this seems to be a common problem. The recommended solution of going to the network settings and resetting the temp sensor config did the trick. I am guessing that one of the software updates I have applied recently changed the settings and made the unit try to take temperature input from a (non-existent) dedicated unit instead of from the local transducer. After resetting it to local all is good. Sent from my iPad using Tapatalk Edited July 10, 2016 by Tastee Link to comment Share on other sites More sharing options...
Guest 4myson Posted July 10, 2016 Share Posted July 10, 2016 Good to hear it"s all sorted.... Link to comment Share on other sites More sharing options...
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