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05-31-2013, 04:50 PM
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#1
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Silver Linings PlayNook
2007 27' International CCD FB
Austin
, Texas
Join Date: Aug 2010
Posts: 57
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Dometic 13,500 A/C compressor turns off after 30 seconds
Im at the San Marcos a/s rally and my a/c has stoped working. I have power and no breakers or fuses are tripped. The themisate panel seems to be working . Is their some thing else I can ck?
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05-31-2013, 05:28 PM
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#2
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Rivet Master
2005 30' Classic
Burlington
, Ontario
Join Date: Sep 2008
Posts: 2,743
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Could it be that the supply voltage is too low? If so, I imagine your AC will shut down - but should restart later.
Probably shouldn't run it if supply voltage is dropping much below 110 - say to 105.
I have both a voltmeter and an alarm in our trailer to warn me of this condition.
Brian.
__________________
Brian & Connie Mitchell
2005 Classic 30'
Hensley Arrow / Centramatics
2008 GMC Sierra SLT 2500HD,4x4,Crew Cab, Diesel, Leer cap.
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05-31-2013, 06:03 PM
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#3
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Silver Linings PlayNook
2007 27' International CCD FB
Austin
, Texas
Join Date: Aug 2010
Posts: 57
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I have good 115v
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05-31-2013, 06:50 PM
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#4
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Rivet Master
Commercial Member
Vintage Kin Owner
Naples
, Florida
Join Date: Dec 2005
Posts: 7,508
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Do you or anyone at the rally have an amp clamp type meter? If so, you can remove the shroud and get an amp draw reading from the blue compressor wire to see if it is over-drawing it's rated amperage, which should be in the neighborhood of 12-13 amps at 95ºF. It will be listed on the data tag of the unit.
How old is the unit? It might be a compressor going bad, or perhaps even the relay board if you have an electronic thermostat. Also check the condenser and evaporator coils for excess dirt as dirty coils will cause the compressor to go into thermal overload and shut down.
__________________
lewster
Solar Tech Energy Systems, Inc.
Victron Solar Components and Inverters, Zamp Solar Panels, LiFeBlue and Battle Born Lithium Batteries, Lifeline AGM Batteries
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05-31-2013, 07:04 PM
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#5
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Silver Linings PlayNook
2007 27' International CCD FB
Austin
, Texas
Join Date: Aug 2010
Posts: 57
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I let it sit for an hour off. Now it's seems to be working. I changed to the 50amp hook up. I will keep my fingers crossed. Thx for your help
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05-31-2013, 07:21 PM
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#6
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Silver Linings PlayNook
2007 27' International CCD FB
Austin
, Texas
Join Date: Aug 2010
Posts: 57
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A/C is working blowing cold. The 20amp breaker is tripped, a/c still seems to run ok
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06-01-2013, 09:23 AM
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#7
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Silver Linings PlayNook
2007 27' International CCD FB
Austin
, Texas
Join Date: Aug 2010
Posts: 57
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A/C is 7 years old, came new on the unit. What's the life of a ac unit?
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06-01-2013, 11:20 AM
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#8
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Rivet Master
Commercial Member
Vintage Kin Owner
Naples
, Florida
Join Date: Dec 2005
Posts: 7,508
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Quote:
Originally Posted by axlrock10
A/C is 7 years old, came new on the unit. What's the life of a ac unit?
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'Till it stops working?
Actually, I've seen 15 year old units working fine and new units fail in 2 weeks! Depends on a number of factors that really can't be quantified. Some will fail with a locked rotor on the compressor, others will develop a very slight leak in the copper tubing and slowly leak out the refrigerant, still others will lose a blower motor or circuit board (both of which are replaceable).
Thank your stars that your unit is still working and treat it well (keep the coils clean and don't feed it sub-par voltage) and it should continue to keep you cool.
__________________
lewster
Solar Tech Energy Systems, Inc.
Victron Solar Components and Inverters, Zamp Solar Panels, LiFeBlue and Battle Born Lithium Batteries, Lifeline AGM Batteries
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