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06-21-2018, 12:24 PM
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#1
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Junior Member
Join Date: Jun 2018
Location: Pittsburgh
Posts: 7
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Blown fuse:(
We have a Keystone Sprinter
We are camping and I got cold so I turned the air conditioning off. When I went to turn it back on it wouldn’t kick on. My husband went to change the fuse and it immediately sparks and blows out. Everything else is fine except the A/C, light above table and light above couch
Any ideas why this is happening ?
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06-21-2018, 12:54 PM
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#2
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Senior Member
Join Date: Mar 2017
Location: Auburn
Posts: 319
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Your lights are most likely all 12 volt (running off the batteries), so it isn't surprising that they still work. What about microwave, TV and other 120 stuff?
__________________
2002 Ford F350 7.3 Super Duty XLT 4x4 CC LB SRW -- Pullrite Super 5th 16K
2017 Keystone Carbon 337
2022 Honda CRF-450R
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06-21-2018, 12:58 PM
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#3
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Site Team | Emeritus
Join Date: Dec 2015
Location: Kansas City
Posts: 3,878
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120volt Alternating Current AC will be breakers. Not fuses. 12volt Direct Current DC will be fuses. Check to see if you tripped a breaker.
__________________
Chip Bruce, RPh
Kansas City, MO
2016 Impact 312
2017 Silverado 3500HD SRW
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06-21-2018, 01:01 PM
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#4
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Senior Member
Join Date: Apr 2018
Location: Divide
Posts: 267
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What year and model is your Sprinter and is it 30 or 50 amp?
The air conditioned runs with AC which should be on a breaker, not a fuse.
__________________
2018 Hideout 31RBDS TT
2004.5 Ram Quadcab Short Box 2500 5.9HO, 2WD, Auto, 373s, Edge Insight CTS2.
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06-21-2018, 02:04 PM
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#5
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Junior Member
Join Date: Jun 2018
Location: Pittsburgh
Posts: 7
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All other 120v stuff works.
That’s why we can’t figure out what’s going on. We checked the breakers. We have a progressive EMS connection and it’s not showing any problems.
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06-21-2018, 02:07 PM
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#6
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Junior Member
Join Date: Jun 2018
Location: Pittsburgh
Posts: 7
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We checked the breakers. Checked the connection at the pole. But yet the AC won’t turn on. We Jim tries to replace the blown fuse the AC KICKS on for a split second, the thing sparks and blow. Idk
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06-21-2018, 02:08 PM
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#7
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Junior Member
Join Date: Jun 2018
Location: Pittsburgh
Posts: 7
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Microwave, TV. EVERYTHING else works.
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06-21-2018, 02:09 PM
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#8
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Junior Member
Join Date: Jun 2018
Location: Pittsburgh
Posts: 7
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It’s a 2007 264 BHS
30 amp
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06-21-2018, 02:28 PM
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#9
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Senior Member
Join Date: Apr 2018
Location: Colorado Springs
Posts: 135
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I would say to turn it off before trying to replace the fuse. The AC is probably trying to turn on the compressor as soon as it has power and is immediately blowing the fuse.
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06-21-2018, 02:31 PM
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#10
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Site Team | Emeritus
Join Date: Dec 2015
Location: Kansas City
Posts: 3,878
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Which fuse is blowing? It should be marked on your power center.
Have you changed anything?
__________________
Chip Bruce, RPh
Kansas City, MO
2016 Impact 312
2017 Silverado 3500HD SRW
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06-21-2018, 02:48 PM
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#11
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Senior Member
Join Date: May 2016
Location: South Jordan, Utah
Posts: 2,223
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If I read your question right, the light above the couch and table are not working either?
If that's the case then they will be "fuse" protected. The AC should be on a breaker, 20 amp. Look in the power distribution box inside the trailer and see if the breakers and fuses are labeled.
AC should be on a dedicated breaker. Fuse for lights should be marked as such. This might be two separate issues. Just a hunch but are the couch and table on a slide out??
__________________
2017 Cougar 279RKSWE
2007.5 Dodge Ram 2500 6.7 Cummins
Retirement Training Completed
I think the little voices in my head have started a chat group.
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06-21-2018, 03:18 PM
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#12
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Junior Member
Join Date: Jun 2018
Location: Pittsburgh
Posts: 7
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Yea we tried that. Thank you.
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06-21-2018, 03:19 PM
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#13
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Junior Member
Join Date: Jun 2018
Location: Pittsburgh
Posts: 7
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Yes. The table and couch are on a slide out
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06-22-2018, 12:08 PM
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#14
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Senior Member
Join Date: Apr 2018
Location: Divide
Posts: 267
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I’m wondering if you have AC and DC shorted together somewhere.
Not sure if the workmanship on the older trailers are as bad as it is now but I’ve found three screws ran though panels into wire bundles. When this happens it’s only a matter of time and vibration until something shorts.
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06-22-2018, 12:58 PM
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#15
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Senior Member
Join Date: Apr 2017
Location: Winnipeg, MB
Posts: 329
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Could it be a converter issue? I had similar issues with a Holiday Rambler class a and it would spark everytime we reset the breaker. We ended up replacing the converter.
__________________
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John & Ekeen
2009 Ford F-150 5.4
2015 Nissan Armada 5.6
2021 Keystone Residence 40FLFT
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06-22-2018, 01:14 PM
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#16
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Senior Member
Join Date: May 2016
Location: South Jordan, Utah
Posts: 2,223
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"My husband went to change the fuse and it immediately sparks and blows out. "
Having the fuse spark and blow immediately on replacing it is a definite indicator of a dead short in that circuit. Since the lights are located in the slide, check underneath the extended slide and try to locate the wiring. Look for any damage or pinch points. Anything that looks like the integrity of the wiring is in question.
Were you able to identify a separate breaker for the AC??
__________________
2017 Cougar 279RKSWE
2007.5 Dodge Ram 2500 6.7 Cummins
Retirement Training Completed
I think the little voices in my head have started a chat group.
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