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10-29-2023, 09:07 AM
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#1
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Junior Member
Join Date: Oct 2023
Location: Midland
Posts: 2
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System monitor
My Montana HC 380 TH has 1 black and 2 grey tanks but the monitor indicates 2 black and reads black 1 is full and black 2 is empty. I did empty the lack tank so I know it should read empty but (my question), shouldn't they both read empty or is the black 1 not reading properly?
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10-29-2023, 11:17 AM
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#2
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Senior Member
Join Date: Sep 2023
Location: Independent Republic of Horry
Posts: 117
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Sounds like your tank is reading properly. The only time you can get an empty reading on a black tank is before it is used. After the first use, the readings get problematic. It could be empty and read full or full and read empty(lots rarer) but without a lot of work the only accurate one will be the fresh.
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2018 Ram 1500 crew cab, 2020 Cougar 22RBS
Just the two of us on the roam with our two Jacks.
The difference between genius and stupidity is that genius has its limits. A.E.
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10-29-2023, 12:21 PM
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#3
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,357
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Quote:
Originally Posted by Martian
Sounds like your tank is reading properly. The only time you can get an empty reading on a black tank is before it is used. After the first use, the readings get problematic. It could be empty and read full or full and read empty(lots rarer) but without a lot of work the only accurate one will be the fresh.
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I will pipe in here: with proper care the sensors will work for as long as you own the trailer. PROPER care involves lots of water in the black tank and regular cleaning.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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10-29-2023, 07:37 PM
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#4
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Senior Member
Join Date: Oct 2022
Location: Middle of nowhere
Posts: 577
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Quote:
Originally Posted by Mark 350
My Montana HC 380 TH has 1 black and 2 grey tanks but the monitor indicates 2 black and reads black 1 is full and black 2 is empty. I did empty the lack tank so I know it should read empty but (my question), shouldn't they both read empty or is the black 1 not reading properly?
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Proper care "includes" as a big part, but not limited to, filling 10% of the tanks capacity with water (I also mix in simple green) before you head out camping. let that solution slosh around in there the whole trip. Helps keep the sides and sensors clean. Ya, you have less capacity when you do set up for the camping but it makes a world of difference in you readings and your odor build up.
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2023 Passport SL 229RK
2023 Ram 2500 6.4L Hemi.
Nebraska
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10-29-2023, 08:37 PM
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#5
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,314
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None of this addresses the OP's problem of a monitor which reports a full black tank which shouldn't even exist!
OP, can you please fill out User CP / Edit Signature with your trailer and tow vehicle info, like you see below, so that we can make... more informed guesses.
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2019 Cougar 26RBSWE
2019 Ford F-250
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10-30-2023, 04:04 AM
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#6
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Senior Member
Join Date: Oct 2022
Location: Middle of nowhere
Posts: 577
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Quote:
Originally Posted by LHaven
None of this addresses the OP's problem of a monitor which reports a full black tank which shouldn't even exist!
OP, can you please fill out User CP / Edit Signature with your trailer and tow vehicle info, like you see below, so that we can make... more informed guesses.
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It does "possibly" address the issue as after he used it, now it doesn't read correctly. The usual problem with that us stuck on stuff. Addressing the problem with proper cleaning techniques.
__________________
2023 Passport SL 229RK
2023 Ram 2500 6.4L Hemi.
Nebraska
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10-30-2023, 04:19 AM
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#7
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Senior Member
Join Date: Oct 2022
Location: Middle of nowhere
Posts: 577
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Quote:
Originally Posted by LHaven
None of this addresses the OP's problem of a monitor which reports a full black tank which shouldn't even exist!
OP, can you please fill out User CP / Edit Signature with your trailer and tow vehicle info, like you see below, so that we can make... more informed guesses.
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I do however see what you are saying,is I not possible to have 2 black tanks? I would agree with you that it would be very strange for that to happen. Maybe we all kinda misread that particular part.
__________________
2023 Passport SL 229RK
2023 Ram 2500 6.4L Hemi.
Nebraska
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10-30-2023, 05:42 AM
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#8
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Senior Member
Join Date: Dec 2022
Location: Huntsville
Posts: 159
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Quote:
Originally Posted by Mark 350
My Montana HC 380 TH has 1 black and 2 grey tanks but the monitor indicates 2 black and reads black 1 is full and black 2 is empty. I did empty the lack tank so I know it should read empty but (my question), shouldn't they both read empty or is the black 1 not reading properly?
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I am going to go out on a limb here, but does this rig have the in-command system in it? If so they might have the floor plan loaded wrong. Just a guess, but if you know for sure what tanks you have, that could be it.
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Tim
2022 Keystone Cougar Half Ton 24RDS
Reese Goosebox 20K
2005 F250 6.0L 4x4 Diesel SRW
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10-30-2023, 08:51 AM
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#9
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,314
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According to independent websites, the Montana High Country 380TH has one black, one gray, and one fresh tank. No mention of inCommand, and I can't find that model anymore on Keystone's main site.
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2019 Cougar 26RBSWE
2019 Ford F-250
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10-30-2023, 09:25 AM
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#10
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Member
Join Date: Dec 2018
Location: Carmichael
Posts: 93
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Quote:
Originally Posted by LHaven
According to independent websites, the Montana High Country 380TH has one black, one gray, and one fresh tank. No mention of inCommand, and I can't find that model anymore on Keystone's main site.
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The HC 380TH was made in 2017 or so. It is no longer manufactured so it doesn't appear on Montana's website.
It was too early for In-Command (thankfully) and like every Montana, whether the regular Montana or High Country (HC) versions, they come with *TWO* grey tanks. One for the shower and one for the galley. The Keystone specs don't state there is only grey water tank. They state there is 80 gallons storage.
The reason you have a panel with displays for two black tanks is Keystone is cheap. They used the same monitor for all their HCs regardless of the number of bathrooms. Most models have one toilet but there were some with two.
This is the 380/381TH floor plan.
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10-30-2023, 09:30 AM
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#11
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,314
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Quote:
Originally Posted by Carl n Susan
like every Montana, whether the regular Montana or High Country (HC) versions, they come with *TWO* grey tanks. One for the shower and one for the galley. The Keystone specs don't state there is only grey water tank. They state there is 80 gallons storage.
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As I mentioned, Keystone's definitive website no longer contains those specs, and apparently some independent sources lie [LINK].
__________________
2019 Cougar 26RBSWE
2019 Ford F-250
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10-30-2023, 09:44 AM
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#12
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Member
Join Date: Dec 2018
Location: Carmichael
Posts: 93
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They all, including Keystone, misstate the number of grey tanks. The most frequently asked question on the Montana Owner Club forum is about the kitchen tank not draining due to the belief there is only one grey tank. Montana's hiding the galley drain handle down along the frame hasn't helped.
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11-02-2023, 03:21 AM
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#13
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Senior Member
Join Date: Aug 2013
Location: Saginaw Mn
Posts: 1,732
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Welcome from northern MN. I have never seen a tank sensor that is even remotely accurate.
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2012 Keystone Retreat 39 FDEN
99 Dodge One Ton Diesel Dually
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11-05-2023, 09:04 AM
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#14
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Member
Join Date: Sep 2018
Location: Mountain Home
Posts: 55
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Fellow 380 Owner
Welcome fellow Texan! I have owned a 2017 HC 380 for over5 years and love the floor plan. It has no in command system but the panel by the entry door does list 2 black tanks, 2 grey tanks and 1 clean water tank.
In reality it has only one black tank with the drain behind the back wheel and the drain handle a black handle up behind the wheel. The grey tanks are a little tricky. Their drain is under the kitchen slideout but the two different tanks have separate handles. One located behind the wheel, a silver handle by the black handle and it feeds forward to the one drain for grey tanks under kitchen slideout. The second handle from the kitchen is under kitchen slideout. I usually drain both grey tanks at the same time.
Hope you enjoy your 380 as much as we have!
B Richey
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11-07-2023, 08:57 AM
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#15
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Junior Member
Join Date: Sep 2022
Location: Plainville
Posts: 22
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Quote:
Originally Posted by Carl n Susan
The HC 380TH was made in 2017 or so. It is no longer manufactured so it doesn't appear on Montana's website.
It was too early for In-Command (thankfully) and like every Montana, whether the regular Montana or High Country (HC) versions, they come with *TWO* grey tanks. One for the shower and one for the galley. The Keystone specs don't state there is only grey water tank. They state there is 80 gallons storage.
The reason you have a panel with displays for two black tanks is Keystone is cheap. They used the same monitor for all their HCs regardless of the number of bathrooms. Most models have one toilet but there were some with two.
This is the 380/381TH floor plan.
Attachment 45535
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Absolutely CORRECT! Same for regular Montana's as well - my 2019 3121RL has the same situation, 2 grey, 1 black but my display shows two and two!!! I can see by some blank spaces throughout the panel, that this one is used in multiple models!
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