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12-27-2015, 09:02 AM
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#1
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Member
Join Date: Nov 2015
Location: La Honda, CA
Posts: 62
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Furnace fuse blown
So we are using our new 2015 Laredo 23RB as an auxiliary bedroom for the Christmas season. The temperature here in California has been rather cool, 30 to 40, and so the heater has gotten a workout. Yesterday my wife's brother and wife came in cold, because they ran out of gas, and today they came in cold because the furnace fuse blew. Could it be a weak fuse? Is something wrong with the furnace? Is something else on that circuit?
Bob.
__________________
Bob & Marian Bumala
With Fozzy Bear! Waka waka waka
2016 Laredo 23RB, 2015 Jeep Grand Cherokee TD
http:\\ www.Bumala.com
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12-27-2015, 10:31 AM
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#2
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,356
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Put another one (same rating) in and go again. If it pops again, post back and we can start troubleshooting.
__________________
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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01-13-2016, 12:54 PM
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#3
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Member
Join Date: Nov 2015
Location: La Honda, CA
Posts: 62
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I replaced the fuse, and it worked for about a week, then blew again. It then started blowing consistently. I pulled the wood louver to get access and wiggled the wires. Heater worked, but I went into the trailer yesterday and it's blown again.
When we first got the trailer, turning on the heater set off the smoke detector. We felt that was just because it was new, but maybe there's a wire too close to the heating element.
__________________
Bob & Marian Bumala
With Fozzy Bear! Waka waka waka
2016 Laredo 23RB, 2015 Jeep Grand Cherokee TD
http:\\ www.Bumala.com
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01-13-2016, 05:43 PM
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#4
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Senior Member
Join Date: Sep 2014
Location: Marinette WI
Posts: 139
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Almost sounds like a blower motor issue without being there and testing it out.
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2015 Passport 2250RB Grand Touring 2014 Durango Husky Centerline TS WDH
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01-13-2016, 07:38 PM
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#5
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,356
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Quote:
Originally Posted by scott24
Almost sounds like a blower motor issue without being there and testing it out.
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That's what I'm leaning towards, or a failed control board.
__________________
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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01-15-2016, 09:22 AM
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#6
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Senior Member
Join Date: Dec 2015
Location: Ocean Isle Beach
Posts: 1,431
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On our 1st trip in a new Cougar 303RLS. The 1st night on our way to FL the temps dropped to 32. The furnace came on and after a short time the fuse would blow. After the 2nd fuse we had the fireplace going which made it bearable. Pulled early for farther south. Emailed Atwood and received a quick response ~~ use a Bussman 22715 15 amp fuse it is a slow burn and light blue in color. He said they were available at auto supply stores, but not the 4 I tried. Maybe should have tried HVAC supplier? I finally ordered them from Wiretek.com this morning. Hope they are here Monday but now in FL until 2/7/16 so don't know when they will be needed. Called my dealer and scheduled it for warranty.
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2022.Montana 3855 BR
2019 F350 6.7 4X4 DRW
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01-15-2016, 01:21 PM
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#7
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Member
Join Date: Nov 2015
Location: La Honda, CA
Posts: 62
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So I pulled the furnace, and noticed a lot of rainwater under it. I also noticed the control board was wet. The exhaust vent has louvers that open upwards, so rainwater flows in, and the exhaust pipe slants downward into the furnace. It seems like it's just made to pour the rainwater in. I'd post a picture, but I can't figure out how.
__________________
Bob & Marian Bumala
With Fozzy Bear! Waka waka waka
2016 Laredo 23RB, 2015 Jeep Grand Cherokee TD
http:\\ www.Bumala.com
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01-15-2016, 04:02 PM
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#8
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,356
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Well that explains the fuse issue. Couple of ways to post a picture. When I get to my computer, I'll post instructions unless someone beats me to it.
Here is a link: http://keystonerv.org/forums/showthr...light=pictures
__________________
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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01-15-2016, 07:16 PM
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#9
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Senior Member
Join Date: Dec 2015
Location: Ocean Isle Beach
Posts: 1,431
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Quote:
Originally Posted by Bumala
So I pulled the furnace, and noticed a lot of rainwater under it. I also noticed the control board was wet. The exhaust vent has louvers that open upwards, so rainwater flows in, and the exhaust pipe slants downward into the furnace. It seems like it's just made to pour the rainwater in. I'd post a picture, but I can't figure out how.
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Dry as a bone on this one ~~~
__________________
2022.Montana 3855 BR
2019 F350 6.7 4X4 DRW
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