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02-20-2022, 05:05 AM
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#1
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Established Member
Join Date: Jan 2022
Location: Ocean view
Posts: 19
M.O.C. #30400
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Humming sound coming from The propane tank area
Montana 3811MS Owner
Has anyone had a problem with a loud humming noise coming from the propane tank area? It could also be coming from the Automatic Changeover Regulator.
When we have the electric heater on we get a shock when touching the step railing. Does anyone know what could cause this and how to fix it?
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02-20-2022, 05:34 AM
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#2
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Montana Master
Join Date: Sep 2017
Location: Florence
Posts: 945
M.O.C. #20472
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I had that hum and it was the red regulator on the DS on mine, as far as being shocked….is it a static type shock or more of a 110v current shock.
__________________
2018 Ram 3500 MegaCab 4x4 Aisin, 4:10 Gears
Titan 50 Gal Tank, Air Lift Wireless Bags
2017 3160 RL
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02-20-2022, 07:22 AM
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#3
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Montana Fan
Join Date: Nov 2019
Location: Roseville
Posts: 265
M.O.C. #25257
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Our regulator did that and drove my DW nuts. It worked fine and I could not hear it. To make her happy, my mission in life, I replaced it and have the other one as a spare. I will carry it for years and probably never need it.
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Jim and Carole
Roseville, MN
2018 RAM 3500 DRW, Diesel, Long Box, Air Lift Bags - 2020 Montana HC 381TH, Sailun S637 |
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02-20-2022, 07:34 AM
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#4
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Montana Master
Join Date: Oct 2018
Location: Anderson
Posts: 2,596
M.O.C. #22835
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I've had 5 campers with propane tanks. Of the 5, 2 of them (including my current Montana) will get that whistling sound when the furnace is running. So, most of the time we don't hear it, and when we do, we can hear it only on the outside of the camper. I never gave it a thought. It didn't hurt anything, and I started taking notice of other campers and sometimes I'd hear others doing the same thing.
It's the pressure regulator. If it drives you batty, switch it out with a different one.
If you are running your tanks with both tanks open and using the switch over feature on the regulator, then try turning one tank completely off and see if that makes a difference. If you run with one off all the time, try turning the second one on at the same time and see if "that" makes a difference. It might, and it might now, either way. But it's worth a test and doesn't cost anything except a few moments of time.
__________________
Who you are right now is a sum total off all you use to be.
2019 Montana High Country 375FL
2014 Chevy Silverado Duramax, 6.6L Dually
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02-20-2022, 09:47 AM
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#5
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,701
M.O.C. #24086
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If you determine your shock is not static electricity (shuffle your feet across the carpet, touch a metal object) and believe it is
"Hot skin"
Here is a good link for troubleshooting that.
https://www.rvtravel.com/rv-electric...-skin-voltage/
Since you have already troubleshooting to the electric water heater, I would change the water heater element.
You will need Plumbers tape and a water heater element wrench
Camco 5" Residential Screw-In Water Heater Element Wrench - Fits All Standard Screw In Elements (09883) https://www.amazon.com/dp/B0006IX896...ing=UTF8&psc=1
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Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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02-20-2022, 01:24 PM
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#6
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Montana Master
Join Date: Dec 2007
Location: Kansas City, Missouri
Posts: 2,707
M.O.C. #7992
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I had that happen once when I touched the hub of one of the wheels. The source was a burnt up electric heat element in the water heater. Lesson learned, "Never have the element on with the tank empty." The dealer had just gone over that with us about two hours before during the PDI. It's been 16 years ago but if memory serves me correct I was powering the trailer via a non-grounded extension cord.
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2006 3000RK
2009 Ram 2500
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02-21-2022, 04:45 AM
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#7
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Established Member
Join Date: Jan 2022
Location: Ocean view
Posts: 19
M.O.C. #30400
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It’s a 110v current shock.
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02-21-2022, 04:47 AM
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#8
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Established Member
Join Date: Jan 2022
Location: Ocean view
Posts: 19
M.O.C. #30400
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Thanks
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02-23-2022, 02:09 PM
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#9
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Montana Master
Join Date: Jun 2020
Location: Qualicum Beach
Posts: 665
M.O.C. #26399
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Quote:
Originally Posted by La59morris
Montana 3811MS Owner
Has anyone had a problem with a loud humming noise coming from the propane tank area? It could also be coming from the Automatic Changeover Regulator.
When we have the electric heater on we get a shock when touching the step railing. Does anyone know what could cause this and how to fix it?
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Yep, mine has a tiny leak in the regulator. I finally got a new one after waiting more than 6 months and will install once the weather warms up.
__________________
2018 Keystone Montana 3811MS
2017 Ford F450 diesel dually
600AH Battle Born Lithium Batteries, 1,080 watts solar
3,000 watt hybrid inverter with 120A charger
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02-23-2022, 06:10 PM
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#10
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,169
M.O.C. #6433
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The shock is likely a bad safety ground connection. Could be the park pedestal, your power cord, an internal connection, the heater, etc. Can be dangerous if it is. Get a tester like below to check your connections.
https://www.homedepot.com/p/Power-Ge...B&gclsrc=aw.ds
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Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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02-23-2022, 06:13 PM
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#11
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Montana Master
Join Date: Jun 2020
Location: Qualicum Beach
Posts: 665
M.O.C. #26399
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Quote:
Originally Posted by La59morris
Montana 3811MS Owner
Has anyone had a problem with a loud humming noise coming from the propane tank area? It could also be coming from the Automatic Changeover Regulator.
When we have the electric heater on we get a shock when touching the step railing. Does anyone know what could cause this and how to fix it?
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You need to get a proper EMS that will tell you what is wrong. That is a dangerous situation. I am referring to the electric issue.
__________________
2018 Keystone Montana 3811MS
2017 Ford F450 diesel dually
600AH Battle Born Lithium Batteries, 1,080 watts solar
3,000 watt hybrid inverter with 120A charger
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02-23-2022, 06:29 PM
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#12
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Seasoned Camper
Join Date: Oct 2017
Location: South Jordan
Posts: 80
M.O.C. #20689
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My MHC did the same thing on the right side tank regulator; it would wake us up at night when furnace kicked on. Switched it out with a new one and problem gone. As I recall, it wasn't that expensive.
__________________
2018.5 Montana HC 305 RL
2019 GMC 3500 HD Denali
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02-25-2022, 11:50 AM
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#13
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Established Member
Join Date: Jun 2021
Location: Halifax
Posts: 41
M.O.C. #28988
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A HUM indicates that propane is being drawn from the tank(s)!!!!!CHECK FOR A LEAK!!!
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02-25-2022, 07:09 PM
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#14
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,659
M.O.C. #9969
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Some Auto Transfer Switches will also hum if they are AC Powered.
__________________
Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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02-25-2022, 07:27 PM
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#15
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,169
M.O.C. #6433
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Quote:
Originally Posted by mhs4771
Some Auto Transfer Switches will also hum if they are AC Powered.
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Or any other AC device such as transformer, solenoid, motor, power supply, etc. that has wire wound coils.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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02-27-2022, 03:06 AM
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#16
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Established Member
Join Date: Jan 2022
Location: Ocean view
Posts: 19
M.O.C. #30400
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Thanks. Replaced it and no more humming��
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02-27-2022, 10:57 AM
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#17
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Montana Master
Join Date: Feb 2008
Location: woodstock
Posts: 542
M.O.C. #8174
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Over the years we keep a extra regulator on hand
__________________
Ed
Montana Master
Woodstock Ga
2020 3931 FB Legacy
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02-27-2022, 12:33 PM
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#18
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Montana Master
Join Date: Dec 2007
Location: Kansas City, Missouri
Posts: 2,707
M.O.C. #7992
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Quote:
Originally Posted by La59morris
Thanks. Replaced it and no more humming��
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So this thread was addressing two problems, humming and shock. What did you replace to stop the humming? A regulator or an ATS?
__________________
2006 3000RK
2009 Ram 2500
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03-06-2022, 03:31 AM
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#19
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Established Member
Join Date: Jan 2022
Location: Ocean view
Posts: 19
M.O.C. #30400
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Have ordered a new heating element for electric water heater for the shocking and a High Pressure Regulator for the humming
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03-06-2022, 05:38 AM
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#20
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Montana Master
Join Date: Sep 2017
Location: Florence
Posts: 945
M.O.C. #20472
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Glad you worked out the issues.
__________________
2018 Ram 3500 MegaCab 4x4 Aisin, 4:10 Gears
Titan 50 Gal Tank, Air Lift Wireless Bags
2017 3160 RL
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