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Old 08-10-2009, 08:31 AM   #1
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2007 19' Bambi
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a/c problems

We have a 2007 Bambi. The a/c has worked great for 2 years. Now, it short cycles and sometimes the compressor just doesn't even kick on. We have had it at the airstream repair shop in Dallas, but it seems to work fine for them. We tried moving to 4 different sites at the campground, but it still didn't work, so we went to a completely different campground, but no dice. We have moved it to our house and used an adapter to see if it would run here, but it doesn't. It seems to only work at the repair shop. HELP!!!!! Any ideas????
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Old 08-10-2009, 08:42 AM   #2
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Welcome from the Florida Panhandle

First off, welcome to the Forums. We're glad to have you with us.

Is your A/C unit thermostat controlled or the type where the controls are on the unit itself?

Do you have a voltage monitor plugged into on of the out lets in your unit?

When the unit has been at the shop, what was the voltage output when plugged in there vs. the output at the other place where it is not operating properly?

Brian
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Old 08-10-2009, 09:10 AM   #3
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Quote:
Originally Posted by groovy1616 View Post
We have moved it to our house and used an adapter to see if it would run here, but it doesn't. It seems to only work at the repair shop. HELP!!!!! Any ideas????
The prong pattern on your Bambi's power cord is specific for 30 amps. This is the most common campground hookup available -- I assume you were plugged into these when you were camping. The compressor would like to draw something just above 20 amps at startup. Chuck here at the forums has used a 20 amp circuit in his driveway successfully for a long time (yep, different prong pattern for that too). Your standard 3-prong home outlet is 15 amps and that probably is what your are supplying with the adapter you mention. For a price, it's straightforward for an electrician (or some handy members here) to install 20A or 30A plug to your garage.

I looked at a very nice Overlander early in my Airstream searches. That owner had been through one AC and his 2nd one had just failed. We viewed this coach on a warm day and he had it hooked up through a long light gauge 15A extension cord with the fan running.

I avoid using the A/C on 15 amps because it has been said this puts extra strain on the compressor at startup and may shorten the service life. Much as I shouldn't rely on "they said" -- on 15 amps it may be struggling at startup and so never gets down to the business of cooling. I also leave a simple voltage meter plugged in where I can see it as I come in the door (they'll have them at your closest big RV store -- avoid CW if you can ). Although it's not a highly accurate meter it would tell you if the campground circuits are so overtaxed that you're having brownout low voltage situations. It also has saved me using up my batteries on lights, etc, if I need to cycle the breaker on the campground power post (eg, once after a lightning storm or other times after some inattention on my part).

So watch your amps and volts -- and get back to us how this is going for you.
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Old 08-10-2009, 11:38 AM   #4
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I had same problem. Would cool ok sometimes then it started toshort cycle and finaly quit ooling alltogether.everything else worked. I thought I needed new ac. Bought one and when I went ro install it found my ground wire had come loose. That would be something to check it was under the cover inside coach.
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Old 08-10-2009, 12:36 PM   #5
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FYI: GypsyJo's Airstream is a motorhome -- 1977 Argosy 28. A moho not showing up in her avatar is a bug we are looking into again.
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Old 08-10-2009, 12:52 PM   #6
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Campground voltage varies so much. Yesterday where we are parked the neighbor behind was having electrical problems.

Each of the posts has four 30 amp. outlets - two outlets on each of two main power lines. When I checked the outlets my side metered 131 volts. His side metered 93 volts. Care too burn up a compressor as CanoeStream mentioned.....
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Old 08-10-2009, 07:24 PM   #7
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Thanks Canoe Stream

Thank you Bob. I hadn't noticed that. I always look at every body elses avatar to see what they have funny I never noticed mine was missing . Thanks for trying to straighten it out . Hope it is nothing I have done or not done. Gypsy Jo
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Old 08-10-2009, 08:15 PM   #8
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Aw shucks Jo... . It's a problem in the software. It's hard to always connect to a member's point of view if you can't see their Airstream year and model.

or karma -- take your pick.
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