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08-29-2007, 08:50 PM
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#1
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4 Rivet Member
2008 27' International CCD FB
Mill Valley
, California
Join Date: Feb 2007
Posts: 344
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Microwave oven and Air conditioner
Hey guys another question from this newbie
When I use my microwave while the air conditioner is on it trips the circuit breaker. Is this common or should I have Toscano look at it when I take the AS in for skin replacement. Is something wrong with the wiring? Should they be on separate breakers? It happens everytime the two are on.
Thanks
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08-29-2007, 09:14 PM
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#2
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Moderator
2015 25' FB Flying Cloud
2012 23' FB Flying Cloud
2005 25' Safari
Santa Rosa Beach
, Florida
Join Date: Jul 2006
Posts: 13,159
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We had a 1000 watt microwave and had sinilar problems. We replaced it with a small 600 watt unit; it works a lot better.
__________________
SuEllyn & Brian McCabe
WBCCI #3628 -- AIR #14872 -- TAC #FL-7
2015 FC 25' FB (Lucy) with ProPride
2020 Silverado 2500 (Vivian)
2023 Rivian R1T (Opal)
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08-29-2007, 09:41 PM
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#3
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More than one rivet loose
Currently Looking...
Los Alamos
, New Mexico
Join Date: Feb 2006
Posts: 3,756
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DO you have a electric/gas water heater? I have tripped the 30A breaker (main trailer) when using the micro with the AC on. IF you are tripping the AC or the micro breaker then you may have a problem.
__________________
Michelle TAC MT-0
Sarah, Snowball
Looking for a 1962 Flying Cloud
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08-29-2007, 10:22 PM
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#4
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Rivet Master
2005 25' Safari
Salem
, Oregon
Join Date: Mar 2006
Posts: 8,377
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Hi, you should be able to use the microwave and air conditioner at the same time. Was it the outside source breaker that kicked or the one in your trailer? A low voltage source could cause this to happen. Or if you have the microwave oven, the air conditioner, and an electric water heater on at the same time; This is too much draw for a 30 amp circuit. Other than that, have each item tested for excessive draw.
__________________
Bob 2005 Safari 25-B
"Le Petit Chateau Argent" Small Silver Castle
2000 Navigator / 2014 F-150 Eco-Boost / Equal-i-zer / P-3
YAMAHA 2400 / AIR #12144
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08-30-2007, 05:54 AM
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#5
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Cyclist
2007 28' International CCD
Windermere
, Florida
Join Date: Feb 2007
Posts: 457
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We have the same issue. Microwave and AC = tripped breaker. Even with lights and TV off. Rule is turn off the AC to run the Microwave.
Tom
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08-30-2007, 07:50 AM
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#6
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3 Rivet Member
1992 34' Limited
Grand Island
, Nebraska
Join Date: Feb 2005
Posts: 248
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With my Limited, I have no choice. The A/C is wired to a switch that redirects the current to the microwave when needed. Impossible to use both at the same time.
Gene
__________________
'92 Limited 34ft (now sold); '96 Dodge Cummins 4X2, 5speed
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08-30-2007, 08:20 AM
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#7
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1 Rivet Member
1987 34' Excella
Mobile
, Alabama
Join Date: Nov 2003
Posts: 16
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Same goes for my 87 34' Excella. There is a factory installed switch located in a cabinet above the stove. If I want to use the microwave, I flip the switch. It cuts power to the air conditioner and activates the microwave.
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08-30-2007, 10:28 AM
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#8
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4 Rivet Member
2008 27' International CCD FB
Mill Valley
, California
Join Date: Feb 2007
Posts: 344
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Sounds like a common issue you just live with. It's the inside breaker that goes off.
Thanks guys
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08-30-2007, 10:49 AM
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#9
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Moderator
2004 30' Classic Slideout
Fenton
, Missouri
Join Date: Mar 2002
Posts: 10,408
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I can run my AC and Microwave/Convection at the same time without consequence. I do have the 15K Penguin AC/heat pump model. However if I have the water heater on electric, that combined load has sometimes caused campsite site breakers to trip.
Jack
__________________
Jack Canavera
STL Mo.
AIR #56 S/OS#15
'04 Classic 30' S.O.,'03 GMC Savana 2500
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08-30-2007, 11:44 AM
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#10
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Rivet Master
2016 25' Flying Cloud
Sunnyvale
, California
Join Date: Jul 2003
Posts: 1,894
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Airstream used to install switches..
Our Excella 25 had a wall switch hidden over the stove in a cupboard that switched power from the A/C to the factory installed microwave over the fridge... We converted that space to storage cabinet, and use compact microwave tabletop unit, but general rule is that the breaker won't carry both microwave (600 to 800 Watts) plus the A/C at 23 Amps +/- to get compressor going, as well as load from power converter/charger feeding 12V systems...
__________________
Condoluminum
In Theory, there's no difference between Theory and Practice, but in Practice, there is usually a difference...
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09-06-2007, 07:07 PM
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#11
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1 Rivet Member
2005 31' Classic
Placentia
, So. Calif.
Join Date: Oct 2004
Posts: 13
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The breaker on the power pedestal blew a few times when running AC and micro, but the breaker in the rig never did. Now I use an outlet adapter and plug in to the 50A outlet on the pedestal. Looks like the current draw is close to the 30A, but not enough to blow the 50 or the breakers inside.
__________________
Dan
2004 8.1L GMC Yukon XL pulling 2005 Classic 31'
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