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08-10-2009, 09:18 AM
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#1
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Montana Fan
Join Date: Mar 2006
Location: Manakin-Sabot
Posts: 371
M.O.C. #5540
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How to find an electrical short?
I was working on my water pump down by the furnace (3075 Montana) and must have hit something because I saw a spark. After that I discovered that the ac lights in the bedroom and bath area don't work. I have checked the breaker switch but nothing has kicked off. I reset them anyway but the lights still don't work. Any suggestions on how I can trace this problem? Thanks John
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08-10-2009, 09:44 AM
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#2
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Montana Master
Join Date: Mar 2006
Posts: 854
M.O.C. #5592
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Double check to make sure a fuse for the 12V lights did not blow. On our 3400 only the lights above the sink over the cabinet are 120v, the ceiling are all 12v.
bw2
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08-10-2009, 10:24 AM
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#3
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Montana Master
Join Date: Oct 2004
Location: Gardnerville
Posts: 749
M.O.C. #2165
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You also might have tripped one of the GFCI receptacles if, in fact, it's the ac lights that are off.
Bob
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08-10-2009, 10:39 AM
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#4
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Montana Master
Join Date: Apr 2009
Location: Murrieta
Posts: 5,816
M.O.C. #9257
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This happened to me once. Even with a fuse or circuit breaker, the bulbs went bad. You can swap the bulbs just to check the bulbs aren't bad.
Otherwise, check the circuit breaker or GFCI as mentioned. I am sure others will mention other things for debugging.
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08-10-2009, 10:51 AM
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#5
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Montana Master
Join Date: Nov 2002
Location: Oceanside
Posts: 20,028
M.O.C. #20
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John, you probably know this but I'm going to say this anyhow and hope I am not insulting you. The GFCI "breaker" is on one of the GFCI switch wall plates. Ours is in the one at the bathroom sink. I can't recall whether the one on the outside of the slide has one or not and since it's raining and we're in a thunderstorm I'm not going to go look.
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08-11-2009, 01:01 AM
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#6
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Montana Fan
Join Date: Mar 2006
Location: Manakin-Sabot
Posts: 371
M.O.C. #5540
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Thanks to all,I did find the errant GFCI which had done it job and popped when I must have sent it a surge while working below it. John
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