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Old 09-01-2015, 04:30 PM   #1
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1998 31' Land Yacht
Lake Odessa , Michigan
Join Date: Sep 2012
Posts: 26
Test Panel

I am having issues with the readings I get for both the gray water and black water tank readings when I test them. They are reading 50% full when empty? Are these sending units able to be replaced?

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Old 09-01-2015, 04:48 PM   #2
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Superior , Colorado
Join Date: May 2014
Posts: 381
They get covered in gunk, and become inaccurate. Check out the SeeLevel for an accurate replacement.

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Old 09-01-2015, 04:54 PM   #3
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2006 23' Safari SE
Biloxi , Mississippi
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Check out the latest issue of Airstream Life, excellent article on calibration of the unit.
WBCCI 10656 Southeastern Camping Unit
Associate European Unit
2006 Safari LS 23 ft
Formerly 1964 Bambi II

"I got a fever and the only prescription is more cowbell"
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Old 09-16-2015, 06:33 PM   #4
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1972 23' Safari
2005 30' Land Yacht 30 SL
Miamisburg , Ohio
Join Date: Mar 2006
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What year and model do you have. My 2005 Land Yacht 30SL has screw in sensors with RJ 11 connections. They are not protected from moisture and are placed behind the drivers side rear wheels. My gray water sensor got wet and they short out immediately like a phone jack. The short causes the panel to report a full or partially full state when the tank was empty.

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Old 09-17-2015, 04:41 AM   #5
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2015 30' Flying Cloud
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Evansville , Indiana
Join Date: Jul 2004
Posts: 278
I found my tank level indicators to be of little use on my 2005 Land Yacht gas motorhome.
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Old 09-17-2015, 03:28 PM   #6
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Palo Alto , California
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We have a 1995 LandYacht Wide Body Diesel. We had the exact same problem with the gray and black tanks reading partially full right after dumping. We bought a backflush device (Flush King) at Camping World and used it according to the directions and they both read empty now on the Test Panel.
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Old 09-17-2015, 11:12 PM   #7
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2005 30' Land Yacht 30 SL
Castro Valley , California
Join Date: Jun 2008
Posts: 332
I had bought a replacement sensor for my grey tank and when I pulled it out to replace it I found it all gunked up. Cleaning it restored it to proper operation, but I'm not sure that will be the case if/when I look for the fresh water sensor to get it working right.
Cliff & Andrea,
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Old 09-17-2015, 11:49 PM   #8
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Our fresh water sensor seems to be working ok. Would be interested in knowing what you find if/when you investivate it.

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