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11-15-2020, 03:48 PM
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#1
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Member
Join Date: Mar 2012
Posts: 37
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Breaker Tripping
I just had a new air conditioner put in.
I have a 29 foot travel trailer 30 amp.
The breaker keeps poping..What do you think the problem is.
Please get back to me
Thank you
Joe
jtjt
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11-15-2020, 03:59 PM
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#2
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Community Moderator
Monaco Owners Club
Join Date: Jul 2016
Location: Central, Arkansas
Posts: 11,285
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Which breaker is it (30 amp or 20 amp) and what else are you running at the same time?
__________________
2004 Beaver Monterey Laguna IV
Cummins ISC 350HP Allison 3000 6 speed
2020 Chevy Equinox Premier 2.0t 9 speed AWD
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11-15-2020, 04:00 PM
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#3
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Senior Member
Join Date: Jan 2019
Posts: 317
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My first guess would be a loose connection. Does it run awhile before it pops? If so there might be a loose connection in the fuse panel or in the AC.
Need to find it asap.
__________________
Doug & Melba
2014 GMC dmax, crew, dually
2015 DRV Tradition
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11-15-2020, 06:29 PM
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#4
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Member
Join Date: Jan 2013
Posts: 77
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That is what mine was doing. I cleaned the evaporator, helped a little. replaced the breaker and cured the problem. They do wear out.
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06 Dodge QCLB Dually Cummins G56 B&W Companion 03 Sierra 27 RLSS
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11-15-2020, 06:46 PM
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#5
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Senior Member
Join Date: Jul 2014
Posts: 35,413
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Quote:
Originally Posted by 00 Buckshot
My first guess would be a loose connection. Does it run awhile before it pops? If so there might be a loose connection in the fuse panel or in the AC.
Need to find it asap.
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Loose connections will cause wires to heat up but the amp don't climb from it.
Bad connections and arcing add resistance to the circuit causing heat. Unless that heat is at the breaker it won't trip it.
The amps will actually drop from a bad connection.
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11-15-2020, 06:57 PM
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#6
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Senior Member
Join Date: Dec 2019
Location: Alberta
Posts: 1,976
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What brand of breaker? Some are more prone to failure than others.
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Jeff and Annette Smith. Sparky, lemon Beagle.
2022 Chevy Equinox RS.
2007 Dutch Star
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11-15-2020, 10:15 PM
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#7
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Senior Member
Join Date: Dec 2015
Location: Dittmer, MO 63023
Posts: 1,122
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Quote:
Originally Posted by jtjt
I just had a new air conditioner put in.
I have a 29 foot travel trailer 30 amp.
The breaker keeps poping..What do you think the problem is.
Please get back to me
Thank you
Joe
jtjt
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Joe it looks like you have had several responses with questions. It helps to try an answer if you want help. That said if you found your problem let us know that too and what you found. You were not clear if the breaker that is kicking is your 30 amp main breaker or the breaker running the AC or possibly the breaker feeding your RV? I’m thinking you have a weak breaker or possibly a bad capacitor or something on your new AC unit. New components do fail.
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2005 CC Affinity 770, 2006 Jeep TJ
2015 Newmar Essex 4553 2022 Jeep Gladiator.
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11-16-2020, 06:52 AM
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#8
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Senior Member
Join Date: Jan 2019
Posts: 317
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[QUOTE=twinboat;5521732]Loose connections will cause wires to heat up but the amp don't climb from it.
Bad connections and arcing add resistance to the circuit causing heat. Unless that heat is at the breaker it won't trip it.
The amps will actually drop from a bad connection.[/QUOT
OK, check the connection on the breaker panel. This is exactly what was causing one of my AC breakers to trip. It also melted the insulation on the wire.
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Doug & Melba
2014 GMC dmax, crew, dually
2015 DRV Tradition
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11-16-2020, 08:16 AM
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#9
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Senior Member
Join Date: Mar 2019
Posts: 471
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Quote:
Originally Posted by twinboat
Loose connections will cause wires to heat up but the amp don't climb from it.
Bad connections and arcing add resistance to the circuit causing heat. Unless that heat is at the breaker it won't trip it.
The amps will actually drop from a bad connection.
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When dealing with synchronous AC motors, the current draw goes up when the voltage drops. This is because the motor is driven by the timing of the input power and if low voltage keeps the motor from running at full speed it’s like startup or mechanical overload all of the time.
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11-16-2020, 08:19 AM
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#10
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Senior Member
Join Date: Mar 2019
Posts: 471
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Quote:
Originally Posted by jtjt
I just had a new air conditioner put in.
I have a 29 foot travel trailer 30 amp.
The breaker keeps poping..What do you think the problem is.
Please get back to me
Thank you
Joe
jtjt
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Which breaker? If it’s the main breaker, what else are you running? A 30 Amp RV requires some user power management since the AC can use half of the available power on its own.
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11-16-2020, 02:57 PM
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#11
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Member
Join Date: Mar 2012
Posts: 37
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Quote:
Originally Posted by Piros1
Joe it looks like you have had several responses with questions. It helps to try an answer if you want help. That said if you found your problem let us know that too and what you found. You were not clear if the breaker that is kicking is your 30 amp main breaker or the breaker running the AC or possibly the breaker feeding your RV? I’m thinking you have a weak breaker or possibly a bad capacitor or something on your new AC unit. New components do fail.
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The trouble is within the park. The power goes down and everything in the park goes off. Not good. We are moving on. The owner will not fix the problem.
Thank you
jtjt
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11-16-2020, 03:56 PM
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#12
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Senior Member
Join Date: Jul 2014
Posts: 35,413
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Quote:
Originally Posted by Jkwilson1989
When dealing with synchronous AC motors, the current draw goes up when the voltage drops. This is because the motor is driven by the timing of the input power and if low voltage keeps the motor from running at full speed it’s like startup or mechanical overload all of the time.
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Correct, for voltage drop, due to an overloaded supply.
A bad, burning connection is NOT an overload. Its adding resistance in series and using up amperage to create the arc.
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11-17-2020, 05:48 PM
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#13
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Member
Join Date: Mar 2012
Posts: 37
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park
Quote:
Originally Posted by Spdracr39
Which breaker is it (30 amp or 20 amp) and what else are you running at the same time?
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Trouble in the park. moving on
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11-17-2020, 05:50 PM
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#14
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Member
Join Date: Mar 2012
Posts: 37
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Trouble in the park with power. Moving on
jtjt
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