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Old 08-21-2016, 10:31 AM   #1
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Monitor Panel?

What causes a monitor panel to indicate full when it is empty?
Gray-Galley tank.

I fill tank to flush and same thing, indicates full.


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Old 08-21-2016, 10:35 AM   #2
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What is happening is there is a film on the inside of your tanks that is allowing electrical contact between the probes like your tanks are full. You may have to try some heavy duty tank cleaner, but the problem will come back. Read up on the bio method thats what I use without problems.
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Old 08-21-2016, 10:38 AM   #3
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How can the tank be cleaned?

Adding solution and bouncing down the road....
Any way to do it while parked?


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Old 08-21-2016, 10:44 AM   #4
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Quote:
Originally Posted by mfMcFroggierPod View Post
How can the tank be cleaned?

Adding solution and bouncing down the road....
Any way to do it while parked?


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You can try to clean (without driving down the road) it by filling the tank with tank sensor cleaner and water and letting it set for 24 to 48 hrs or what is recommended on the container the chemicals come in. Check on amazon for heavy duty tank sensor cleaner.
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Old 08-21-2016, 04:33 PM   #5
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Use a tank wand, rotate 360 inside toilet different levels. If you do it well will stay operable for months. Part of the equation is do not allow a level for long periods in the black tank.
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Old 08-21-2016, 04:40 PM   #6
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Use a tank wand, rotate 360 inside toilet different levels. If you do it well will stay operable for months. Part of the equation is do not allow a level for long periods in the black tank.
That doesn't work too well for the gray tanks..

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Old 08-21-2016, 05:36 PM   #7
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OH BtW this is the #2 Gray Tank.


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Old 08-21-2016, 08:08 PM   #8
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That doesn't work too well for the gray tanks..



Aaron

Actually a few years back I posted here pics of short garden hose w/screwed hose cap. I drilled both sides of the cap with a 3/32" holes. When connected to a 60 psi water source the water streams were quite strong. A Georgetown has only one GT. I found an entry via a air admittance valve below the bath sink sink. Remove valve, insert hose it's an unimpeded access to the tank internals. The only grey tank I've had that would foul the sensors,this rig was handy and for me necessary. Mark the hose for depth and rotation. Same process rotate and lift in steps, the probes will work when completed.


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Old 08-21-2016, 09:57 PM   #9
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Sounds like a great idea. I will have to try this idea. I recently replaced one of the air admittance valves for the bathroom tank. What a job. Mfg had fitting to close to sink underside and I could not remove. Remove sink top or cut pipe. I cut pipe and could not find a female adapter or abs coupling to fit pipe so I used a fernco coupling. Only other thing regarding galley tank was a new bottle of dish washing liquid leaked and went down the drain. I don't see how this would have fouled the sensors.....


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Old 08-22-2016, 10:18 PM   #10
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A full bottle of dishwashing liquid can make a lot of bubbles which may have fouled the sensors. As others have suggested, clean the tank well. It may take several tries.

I tried a sensor cleaner and saw no improvement. Good luck with whatever method(s) you try.
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