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01-22-2022, 08:09 AM
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#1
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Established Member
Join Date: Oct 2021
Location: Southern Pines
Posts: 17
M.O.C. #29946
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2021 2331CK Heater Issue
Propane Furnace starts but trips 15 AMP resettable fuse and shuts down. Started last night, the coldest night we have used it (low 20s). Any thoughts?
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01-22-2022, 09:44 AM
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#2
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Montana Master
Join Date: Dec 2017
Location: Mountain Home
Posts: 831
M.O.C. #20949
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Temp swap in a non resetting fuse and give that a try... those Black self resetting fuses are prone to being picky
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01-22-2022, 09:53 AM
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#3
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Established Member
Join Date: Oct 2021
Location: Southern Pines
Posts: 17
M.O.C. #29946
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Tried a non resettable 15 amp and it blew within a couple minutes.
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01-23-2022, 07:05 AM
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#4
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Montana Fan
Join Date: Nov 2020
Location: Gulfport
Posts: 105
M.O.C. #27628
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I’d try a 20a fuse to see if it will get you warmed up.
On my unit I found they had pulled power from same circuit to the iN·Command gateway that controls the heat pump and furnace. I never had a problem running both but the 15a circuit breaker was intended just for the furnace. Since the circuit breaker is known for problems, I changed the wiring. Gateway had power directly from fuse box not being used. It now runs on that.
__________________
2021 Montana 3231CK, Legacy, Super Solar Flex, Dual Pane Windows, Slide-out Awnings
2021 Dodge RAM 3500 4x4 Limited 6.7 HO DRW, Trailer TPMS, B&W Companion Hitch
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01-23-2022, 07:30 AM
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#5
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,654
M.O.C. #24086
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In mine I accidentally discovered the furnace fuse also runs the water heater. Cold showers are really motivating to figuring it out. Lol
__________________
Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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01-28-2022, 06:15 AM
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#6
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Established Member
Join Date: Oct 2021
Location: Southern Pines
Posts: 17
M.O.C. #29946
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Shorted wire
The thermostat wire running from furance to the gateway up in rear AC was chafed and shorted against metal. Found in basement, repaired and seams to be working normally.
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01-28-2022, 08:29 AM
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#7
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Montana Master
Join Date: Dec 2007
Location: Kansas City, Missouri
Posts: 2,702
M.O.C. #7992
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Glad you found it. Is that the really small telephone looking wire?
__________________
2006 3000RK
2009 Ram 2500
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01-28-2022, 08:53 AM
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#8
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,135
M.O.C. #1920
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Helpful, thanks for posting your resolution. Many times people ask about an issue and never post what fixed it. As an aside, I would still replace the resettable fuse with a regular 15 amp. As stated earlier, it is a noted issue. Our dealer replaces them prior to PDI. I assume your unit is the 3231CK? We have the 3230CK. Great floor plan (at least for us).
__________________
Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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01-28-2022, 10:13 AM
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#9
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Montana Master
Join Date: Dec 2017
Location: Mountain Home
Posts: 831
M.O.C. #20949
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Quote:
Originally Posted by Helpful Dad
The thermostat wire running from furance to the gateway up in rear AC was chafed and shorted against metal. Found in basement, repaired and seams to be working normally.
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Yup there are two BLUE wires that run from furnace control module board up to Zone 1 Gateway.. Plus and minus signal to tell furnace to turn on or off..
great find and repair
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