Question about Heating & Cooling

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Im watching my parents house, the A/C will not turn on. It keeps tripping the fuse in the box outside. is there a reason the AC would keep tripping the fuse? I live in Phoenix, it is hotter than hell. please help asap. The AC is about 3 years old at most.

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  • Robert Dressler Jul 11, 2010

    how long after a reset should I expect for my AC to start blowing cold again? The breaker is no longer tripping. I hear the AC in the back yard going with the fan turning but no cold air in the house yet, still worried. It wasnt working before but now it is turning. could it still be the compressor if it is spinnning? and how long could it take to get cold again? thanks. fast response would be awesome. Arizona heat even at this time is horrible for my babies. thanks

  • Robert Dressler Jul 13, 2010

    thanks, was the compressor



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The problem could be too many appliances are being run on the same circuit. Unplug or relocate appliances that share the same circuit.
Time delay fuse or circuit breaker of the wrong capacity is being used. Replace with a time delay fuse or circuit breaker of the correct capacity (see "Electrical Requirements" in the Installation Instruction).

An extension cord is being used. Do not use an extension cord with your air conditioner.

Also check the AC outlet, to see if the connections are ok, because bad connection could cause this, try another AC outlet.

Take care.

Posted on Jul 11, 2010

  • 3 more comments 
  • Robert Dressler Jul 11, 2010

    guys the AC is outside and has been plugged into the same unit for years. it is somewhat a new AC outside. the fan is on. i cannot tell if anything else is working. its been on for an hour and still no cold air. its getting hotter. this is ***!

  • Sulaimon Jimoh Olayemi Jul 11, 2010


    If your A /C has been plug for an hour and yet you are not getting cold air, If the unit is working properly it should cool the home. Is your filter
    clean? Look and the evaporator in the inside unit. Is it frosted up? Do
    you have condensation water in the pan? Go to the outside unit and feel
    the air coming out of the fan. Is it warm? Now feel the 2 copper pipes
    coming out of the unit. Is the small one warm or hot? Is the larger one
    cool ? Is there moisture on it

    Freon does not loose it's ability to cool. There is either insufficient
    Freon for the size of the system indicating a leak, or the pump is
    wearing to the point where it can no longer provide sufficient
    compression of the gas. Also, you can use use air pressure pump to vacuum the surface and internal part of your A/c because the problem could be dust but quite sure the unit is low on freon and will need to be refill to perform excellently again.

    Take care.

  • Robert Dressler Jul 11, 2010

    finally a intelligent answer. lemme check. ok the little hose is normal temperature. just kind of air temp. not cool at all. no condensation on the bigger hose. i cannot see in the AC unit. too dark and the flash light does not do a good job. I cannot see the condenser. It is the AC box (unit) and two hoses coming out of it and one surrounded by plastic (thinking may be the electrical wiring). I have a **** load of fans working now. keeping it barely bearable.

  • Robert Dressler Jul 11, 2010

    oh and the air coming off the fan is warm-air temp which is about 90 degrees.

  • Sulaimon Jimoh Olayemi Jul 11, 2010


    Open up the closet, bring a flashlight and find the water pipes that are
    connected to it. They are usually small & copper. Feel them. Are
    they cold? Are the icy? Are they frozen? If yes, then move on.

    Turn off the A/C. Pull out your A/C filter. Is it dirty? If yes, keep
    going.Change filter. Then turn on the A/C "fan" switch from AUTO to ON. What
    has happened is the cold air that was being produced by the A/C until
    couldn't push the air through the vent because the filter was too dirty.
    Clogged. Thus creating a situation where the pipes that brought the
    cold water to the A/C got colder and colder until they froze.

    Read more: How
    to Fix an Air Conditioner That Is Blowing Hot Air |


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There are few possibilities that has to be checked. First thing is that you check connecting your Ac to any other power outlet.In many cases this will not be possible.No problem.If you have any other high voltage electric appliance like heater,microwave,washing machine,etc etc then connect that to that outlet and check.If it works properly then your electric line is ok.If the other appliance also shows that same problem then its the electric line problem. But if electric line checked out ok.Then its the problem of any of the ac component weak and due to that its getting overheated and this is tripping the fuse outside the house. Things to check in ac are 1 bad compressor.2 bad run capacitor.3 bad start relay and capacitor if it has one.4 bad breaker. 5 bad fan motor. In some units there is start up relay and in some there is start up capacitor.Its beside the compressor. Either the Air Conditioner compressor is bad, or the breaker is bad. Since breakers are a lot cheaper than compressors, you may want to replace that first. If the breaker is old, it is a good possibility. But if the breaker is new, it may be the compressor. Get the ac voltage checked by the meter if you are familiar with testing volts from meter in other case get this checked by the electrician. Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

Posted on Jul 11, 2010

  • Robert Dressler Jul 11, 2010

    i appreciate the help. well. I would keep on resetting the breaker and it would trip right away. I got it to stay on and it seems as if the the ac unit outside is spinning (the big fan) but I dont feel any cool air or even much pressure coming out of the wall outlets (where air comes out, sorry don't know the name of them).

  • raj somaiya
    raj somaiya Jul 13, 2010

    Thanks for keeping updated.
    You can rate this solution and show your appreciation.



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