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12-12-2017, 10:45 AM
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#1
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2 Rivet Member
2016 Interstate Grand Tour Ext
Jacksonville
, Florida
Join Date: Feb 2013
Posts: 75
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2016 Interstate Grey Tank NOT dumping
New to me, 2016 Airstream Interstate. YEA! But first time to empty tanks, and black tank is a success. Grey tank is full, and will not empty. The light on the black tank will not go off, but I hear (think I hear) sounds like it is closing. But when I press toggle, cannot get light to come on grey tank, no sounds, and no dump. HELP, please. Thanks.
__________________
Melaine Taylor
Life Is A Journey - Enjoy the Ride!
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12-12-2017, 10:56 AM
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#2
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Rivet Master
2024 Interstate 19
Fulton
, Maryland
Join Date: May 2010
Posts: 3,867
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2016 Interstate Grey Tank NOT dumping
There is a relay in the circuit to prevent both valves from being open at same time. If the black tank light does not go out it is likely energizing the relay to prevent the gray valve from opening. If you haven't done so already try cycling the black valve a few times, that might reset the circuits. It worked once on my 2013 Interstate.
If you really need to get the gray dumped you can open the valve manually under the van by disconnecting the electric actuator.
Good luck,
- - Mike
__________________
- - Mike
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2024 Airstream Interstate 19e AWD
Previous: 2013 Airstream Interstate 3500 Ext Lounge
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12-12-2017, 06:19 PM
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#3
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2 Rivet Member
2012 Interstate Coach
Westerville
, Ohio
Join Date: Sep 2015
Posts: 51
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Chances are there is toilet paper blocking the valve from shutting completely. This has happened a couple of times with our AI. The first time I crawled under the van and disconnected the rod that opens and closes the valve, and then pulled and pushed the valve closed by hand repeatedly until I felt the valve close completely. Hooked everything up and everything was good to go. The next time it happened, I closed the valve as far is would go with the switch, then went inside and flushed the toilet to add 3-4 gallons of water to the black tank. Went outside and opened the valve using the switch, and the obstruction cleared (flushed out) and the valve closed like it is supposed to. Now, each time I empty the blank tank, I add a few gallons of water before opening the valve. So far, no more problems with toilet paper hanging up in the valve.
__________________
Bob
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12-12-2017, 07:55 PM
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#4
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Rivet Master
2024 Interstate 19
Fulton
, Maryland
Join Date: May 2010
Posts: 3,867
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Good tip Aircruiser - adding a few gallons of water to black tank would sure help clear an obstruction.
__________________
- - Mike
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2024 Airstream Interstate 19e AWD
Previous: 2013 Airstream Interstate 3500 Ext Lounge
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12-13-2017, 09:49 AM
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#5
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Rivet Master
2016 Interstate Grand Tour Ext
Bellevue
, Washington
Join Date: May 2016
Posts: 689
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On every clean up of the black tank, I have my wife hold down the flush lever for a good minute and it does a great job of getting the last bit of gunk out. Water goes from brown color to nearly white during that time. So good practice regardless.
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12-13-2017, 09:57 AM
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#6
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Figment of My Imagination
2012 Interstate Coach
From All Over
, More Than Anywhere Else
Join Date: Dec 2011
Posts: 10,868
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Quote:
Originally Posted by amirm
On every clean up of the black tank, I have my wife hold down the flush lever for a good minute and it does a great job of getting the last bit of gunk out. Water goes from brown color to nearly white during that time. So good practice regardless.
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Since you have a wet bath with a handheld shower nozzle, you have an even more effective option. Hold the toilet open with your foot, and spray HOT water into the toilet. Hot water softens the solids so the macerator pump can chew them up more easily, and you've got a faster flow through the shower head than through the toilet valve, so you can fill the black tank faster while rinsing the tank.
__________________
I thought getting old would take longer!
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12-14-2017, 06:36 AM
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#7
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2 Rivet Member
2016 Interstate Grand Tour Ext
Jacksonville
, Florida
Join Date: Feb 2013
Posts: 75
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It works!
I took a combination of all the suggestions.
I put several gallons of water in the black tank, and I also put a couple of gallons of hot water in.
When I went to dump, (we were at a state park), I toggled back and forth several times. Long enough to hear the system opening and closing. The light finally went off. Yea! And I emptied the grey tank which took forever since it was full to the top!
Would never have been successful without all your helpful suggestions.
Thank you so very much!
__________________
Melaine Taylor
Life Is A Journey - Enjoy the Ride!
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12-14-2017, 12:01 PM
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#8
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Rivet Master
2024 Interstate 19
Fulton
, Maryland
Join Date: May 2010
Posts: 3,867
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Thanks for feedback on solution. Always helps to know you got it working again.
__________________
- - Mike
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2024 Airstream Interstate 19e AWD
Previous: 2013 Airstream Interstate 3500 Ext Lounge
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12-14-2017, 12:31 PM
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#9
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Prof. of Pending Projects
2018 Tommy Bahama Interstate
Orlando
, Florida
Join Date: Sep 2017
Posts: 2,658
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Quote:
Originally Posted by Boxster1971
Thanks for feedback on solution. Always helps to know you got it working again.
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+1
and I learned something new...
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