My 7300 series roof air conditioner has been working fine. Today it was on and the temperature in side was fine all day. This evening it starting getting a little cold inside. I pushed up the thermostat to stop (warm up the motorhome). It keep getting colder. I shut off the unit. The compresser keep running. I shut off the mains thinking the unit was frozen. An hour later I turned on unit again and compresser ran again by itself.. Any thoughts? firstname.lastname@example.org Lee.
(1)Check compressor contactor or relay if it stock in the close position
(2)Check for welded contact points
(3)Check switch control for defect
(4) Check if compressor contactor still geting power when it is off
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Re: re-directing the water dripping over door ! Stop at RV parts store
and get yourself a tube of "Dicor" self leveling sealant. It's
recommended for rubber roofs, but works well on most roof surfaces. Then
I simply run a 3/8" bead of "Dicor" across wherever the run-off from AC
is coming down, and re-direct it so the run-off comes off roof
elsewhere. Don't try to smooth it out or anything, as I said, it is self
leveling, just use a caulking gun, lay a bead about 3/8" and allow it
to set for a few hours if you can. Make sure you pick a time where AC is
off for a couple hours so (run-off) water isn't present. You"ll see the
path (stain) on roof where it travels to guide you for redirecting.
It's a simple fix, and no screws or nails required. Use the rest of the
Dicor to fill in any gaps, cracks etc you see on sealant on the roof
while your up there, but clean those before applying. If you can wipe
your intended path down with some mild cleaner prior to applying bead,
it will help it stick better as well. Even a little dish soap in water
will do, just be careful, it gets pretty slippery when soap on there.
Quick rinse with water then dry with rag, or let the sun dry it.
Actually on a rubber roof, It should be scrubbed with mild detergent at
least once a season anyway.
COLEMAN R.V. PRODUCTS
GO TO rvcomfort.com
Click on RVP (RV PRODUCTS)
Click on type of AC, if you can’t find the information you want there,
then click on contact us on the Green Bar.
You can get Service Support or Email address and Phone numbers.
well check a few things first....have someone remove the cover and reach in with a hand and try to manually spin the blade...free spinning?....then tell the person below to click in the on postion while someone views from up top.....is it humming? or even trying to spin?....if not check the fuse on the RV that protects the A/C unit.....good?.....now replace the capacitor ( it the silver or gray can looking thing that the motor wires run to) only the correct size will work w/o causing further motor damage.
there are 2 drains on most units one each side about 6 inches back from the front of the unit - they are white plastic and have a small hole in the side - they may be clogged - happend to mine - used a paperclip to clear out now work fine - good luck