mbird Posted January 18, 2010 Share Posted January 18, 2010 Hi All I am going through one of those phases where nothing seems to work, and we uncover more issues as we go . I knew we had speed log and depth sounder issues from our trip out at new year, so I have decided to try to get them resolved. The log transducer I have removed from the through hull fitting and put the plug in (VERY scary taking it out of the hole and watching the water come in unti lI could get the plug screwed in , but seemd to work as planned). The paddle wheel is covered in ant-foul so I reckon that's not helping. I've purchased a new paddle wheel, so hopefully that one will be sorted. The depth sounder issue is a bit more involved, and starting to look expensive. It's readings are somewhat erratic, and sometimes it decides to flash, which the manuals tell me is a lost signal. The sounder is an Autohelm SeaTalk, and is probably about 15 years old installed on the boat from new. I have had the display unit rigged up to a test transducer in a workshop at Cliff Marine Services, which was suspended in a tube of water about 4 ft long, and the reading was correct and steady. Next, the test transducer from the workshop was taken to the boat and suspended in the water over the side. The display ranged from 6 feet to 33 feet deep (in 6 feet of water) without the transducer being moved. We did wonder if this was due to a rapid temperature change from the workshop to the water in the marina? The problem seems to be no signal from the transducer installed in the boat, but I am also not sure if the display unit is giving the right reading even when there is a signal provided. Anyone had similar problems? I am hoping to borrow another display unit from CMS on Wednesday to take to the boat to see if that points to the my transducer being cream crackered. If it does, then its a Â£200 lift to fit a Â£60 transducer. Quote Link to comment Share on other sites More sharing options...
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