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09-22-2018, 12:06 PM
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#1
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Senior Member
Join Date: Aug 2017
Location: ottawa
Posts: 190
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Grey sensor showing 2/3 full
I know it's a common issue however I can't seem to get the sensor to read right. The sensor keeps on reading 2/3 and when it's actually full it does say full, when it's empty it reads 2/3. I tried using dish detergent and filled up the tank and let it sit there hoping it will clean the sensors but it didn't.
Has anybody had any success in trying to clean the sensors in the grey tank? If so what did they use.
Thanks
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09-22-2018, 12:09 PM
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#2
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Member
Join Date: May 2014
Location: Puget Sound
Posts: 76
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Get one of those wands with the spinning sprayer head and stick it down into the tank thru your toilet. Just make sure to turn of your water and careful of your toilet seal. It works every time for us.
__________________
2012 F250 6.2L W/airbags
2013 328RLTS
Husky Round Bar WDH
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09-22-2018, 12:10 PM
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#3
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Senior Member
Join Date: Jun 2017
Location: Tower City
Posts: 255
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Depending on the setup, if you can get a tank wand into the tank might work. Otherwise try a good dose of laundry detergent and then fill.
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09-22-2018, 12:11 PM
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#4
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Senior Member
Join Date: Jun 2017
Location: Tower City
Posts: 255
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Quote:
Originally Posted by PNWDriver
Get one of those wands with the spinning sprayer head and stick it down into the tank thru your toilet. Just make sure to turn of your water and careful of your toilet seal. It works every time for us.
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They are wanting to clean a grey tank, not a black tank.
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09-22-2018, 12:16 PM
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#5
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Member
Join Date: May 2014
Location: Puget Sound
Posts: 76
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My bad. Thanks.
__________________
2012 F250 6.2L W/airbags
2013 328RLTS
Husky Round Bar WDH
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09-22-2018, 01:14 PM
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#6
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Senior Member
Join Date: Nov 2013
Location: Duxbury
Posts: 7,113
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I’ve used Commando Black Tank cleaner in my gray tanks and it’s worked well. I dissolved the tablet in a bucket of water and then poured it down the sink
__________________
Rob & Kelly, Bella & Brady (Miniature Schnauzers)
2022 Eagle HT 28.5RSTS
2017 RAM 3500 SRW CTD/AISIN CC LB
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09-22-2018, 01:22 PM
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#7
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Senior Member
Join Date: Oct 2014
Location: NE Oklahoma
Posts: 187
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Try Dawn Liquid Dish Detergent. Low cost and it cuts grease and oil.
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09-22-2018, 01:56 PM
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#8
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 16,108
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Since it always reads 2/3 even when full could be a wiring issue.
__________________
 DISNEY LOVERS
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09-22-2018, 05:24 PM
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#9
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Senior Member
Join Date: Mar 2013
Location: Manning
Posts: 376
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Sensors
Lie-O-Meters at best.
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09-24-2018, 05:55 PM
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#10
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Member
Join Date: Mar 2018
Location: Riverhead
Posts: 39
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Quote:
Originally Posted by PNWDriver
Get one of those wands with the spinning sprayer head and stick it down into the tank thru your toilet. Just make sure to turn of your water and careful of your toilet seal. It works every time for us.
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Thats the black tank ..Op mentioned the grey tank
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09-24-2018, 05:58 PM
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#11
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Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,859
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Quote:
Originally Posted by Grumpy
Since it always reads 2/3 even when full could be a wiring issue.
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Post #1 says it reads full when full.
__________________
 Moderator
2011- 351RLTS Eagle, MorRyde suspension/pin box,
2017- F350 6.7 PSD Lariat FX4,SRW, SB,CC
Hughes PWD SP-50A, TST TPMS
Gator roll-up bed cover
B&W Turnover ball, Companion Std hitch
Can't find what you're looking on JOF? Try Jayco Owners Forum Custom Google Search
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09-24-2018, 06:50 PM
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#12
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Senior Member
Join Date: Aug 2017
Location: ottawa
Posts: 190
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Dove did the trick, before I left the site, filled up the tank more than half with hot water and 1 cup of dove dish soap. Sensors are now working. Thanks guys
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09-24-2018, 09:16 PM
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#13
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Member
Join Date: May 2014
Location: Puget Sound
Posts: 76
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Quote:
Originally Posted by ShortCircuit
Thats the black tank ..Op mentioned the grey tank
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That's already been pointed out and acknowledged by me. My fault. I need to refrain from posting after working double shifts.
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09-25-2018, 04:19 PM
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#14
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Senior Member
Join Date: Feb 2016
Location: Orlando
Posts: 516
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Same issue haunting my 25BH for over one year. Tried all the chems & tricks but recently had succes with throwing a tide pod in between campsites changes. Empty read last 2 times.
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09-27-2018, 07:57 AM
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#16
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Member
Join Date: Jan 2017
Location: Cleveland, TN
Posts: 87
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I will have to try the Extreme Cleaner. I have tried everything. Dawn, Calgon, cleaners etc...tanks read 1/3 to full regardless of level. But do read full when full.
But the way we know the grey tanks are full is when the kitchen sink wont drain or the shower doesn’t drain. We empty and go on.
I would love to install the external levels but we have the glacier package and the undercarriage is sealed with no access to the tanks.
__________________
Don & Donna (Innisfree & Riley)
The Beast (2016 Tundra, DC, 4WD, 5.7L)
The Leprechaun (2016 WhiteHawk 33RSKS)
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09-27-2018, 08:00 AM
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#17
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Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,859
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They can be accessed if you want to get in there enough. Thankfully it’s not often.
__________________
Moderator
2011- 351RLTS Eagle, MorRyde suspension/pin box,
2017- F350 6.7 PSD Lariat FX4,SRW, SB,CC
Hughes PWD SP-50A, TST TPMS
Gator roll-up bed cover
B&W Turnover ball, Companion Std hitch
Can't find what you're looking on JOF? Try Jayco Owners Forum Custom Google Search
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09-27-2018, 07:15 PM
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#18
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Senior Member
Join Date: Jul 2018
Location: Green Bay
Posts: 398
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I too use Commando and it always does fine.
__________________
May The Gods protect our little camper from Ghosties, Ghoulies, Long Legged Beasties and Things That Go Bump In The Night.
An old Scottish Prayer.
2017 Jay Feather 23 RLSW TT. 2014 Silverado 1500 w/tow package. Curt WDH. Samlex M135 solar panel kit. Yamaha 2000 generator.
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10-03-2018, 08:29 PM
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#19
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Senior Member
Join Date: Jul 2018
Location: Green Bay
Posts: 398
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Same issue here but read on the forum about using Commando in both grey and black tanks. Seems to work well on both.
__________________
May The Gods protect our little camper from Ghosties, Ghoulies, Long Legged Beasties and Things That Go Bump In The Night.
An old Scottish Prayer.
2017 Jay Feather 23 RLSW TT. 2014 Silverado 1500 w/tow package. Curt WDH. Samlex M135 solar panel kit. Yamaha 2000 generator.
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10-04-2018, 09:57 AM
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#20
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Senior Member
Join Date: Oct 2016
Location: McKinney
Posts: 387
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Quote:
Originally Posted by ibra0078
I know it's a common issue however I can't seem to get the sensor to read right. The sensor keeps on reading 2/3 and when it's actually full it does say full, when it's empty it reads 2/3. I tried using dish detergent and filled up the tank and let it sit there hoping it will clean the sensors but it didn't.
Has anybody had any success in trying to clean the sensors in the grey tank? If so what did they use.
Thanks
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Water softener down the kitchen sink with water until grey tank was full - let it sit overnight - drained and it cleared the sensor. Might even want to drive around with the tank full with water softener added if you can.
__________________
2016 WH 27DSRL
2017 F250 6.7L Diesel
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Linear Mode
