Question about Heating & Cooling

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I have an air conditioner Appliance AAC 1100 A-PTC that wos working for two days and now its not cooling or heating:-( Both outer and inner parts of the machine seems to be running but it wont heat or cool the room. When i try to turn it on there is a red symbol that lights up on the display (defrosting) this light goes off every 5 minutes or so,then the machine starts to blow air (not heated or cooled) for aprox 20 seconds then the red light comes on again and this procedure starts over again. I have also tried to run the machine on forced cooling (auto cool button) but it doesnot make any differense. Please help me im desperate.

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  • Contributor
  • 25 Answers

Probably out on a limit or sensor

Posted on Apr 09, 2017

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Posted on Jan 02, 2017

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SOURCE: Won't heat or cool

as a general rule you sound like you have a compressor that is mechnically locked up. in other words it can't free itself from a stationary position and begin pumping and moving the piston. this is caused by one of several things. first kill power ,and carefully, and methodically examine all wires and terminal connections. be sure all are clean , snug and not burnt off etc. even the ones attached to the compressor itself. the compressor wire cover comes gently off and is usually held in place by a spring clamp be sure to replace when your done checking. if all wires check good then go to step two. that is a check of the capacitors. the silver metal large capacitor is the run capacitor. it keeps the compressor power in the windings out of phase so it runs same way everytime. it has a rated value stamped on its side. it should check with a volt meter that checks capacitors at not less than 90 percent of its rating . a 60 needs to check no less than 54 microfareds. etc. some capacitors have a common input side and a dual output side. they are labeled on top where the wires connect.one goes to the condensor fan and the other goes to the compressor. the larger circuit ,common in, to herm out is for the compressor. if in doubt label all wires , make a diagram and remove it and take to an electric motor shop and let them test it. in addition to the run capacitor that keeps the compressor going, you may also have a start cap that is usually black plastic. they have a" Yes by gosh you will" start function and store up voltage and deliver a powerful boost on start up to make the compressor get going. it can be tested the same way. be sure to ground the capacitors before testing after power is turned off by shorting across the terminals to bleed off any stored voltage. , with a screwdriver blade. by the way if you look at the silver run capacitor and its swollen up or bloated looking then its bad. you'll know what i mean if you ever see one. looks like it has the mumps. they really puff up. top and bottom should be normally close to flat. if all that checks good then you must apply and amp probe to the black wire going to the compressor. when it tries to start observe the amp draw. if it is like 48 to 65 amps then the compressor is mechically locked up and probably needs replacing. if you don't have a plastic hard start capacitor and relay you can add one and it can many times break the compressor loose and you can get a few more years out of a compressor thats getting weak. try a T05 hard start kit or a KS1 hard start kit. to5 for up to three ton and a ks1 for 4 and 5 ton. simple to install .be sure the start relay is positoned correctly, instructions are on the package. good luck let me know outcome.

Posted on Nov 04, 2008

  • 30 Answers

SOURCE: whirlpool ACE244XS air conditioner blows out cool air when on hea

Due to Defective Thermostate Switch Try to Replace, will be ok

Posted on Feb 01, 2009

  • 3 Answers

SOURCE: Mitsubishi MSH 18NV no heating or cooling

You need an hvac tech to repair this unit. Good luck!

Posted on Feb 05, 2009

  • 587 Answers

SOURCE: RV air conditioner. Compressor running, fan stops before cool

The fan motor is getting hot and going off on the internal overload in the motor.
This is caused by either a low voltage, a bad capacitor, or tight or dry bearings in the motor.
To check the bearings turn the power off to the unit, then spin the fan blade if it spins freely then the bearings are ok.
To check the capacitor you will need some kind of tester or you can buy a capacitor and replace it, that's what a lot of people do. They usually don't cost very much.
To check the voltage you will need a voltmeter and measure the volts at the unit.

Posted on Jun 09, 2009

  • 232 Answers

SOURCE: "cool on " flashing..no heat or cool air blowing

when its flashing its in a 5 min delay mode if you wait 5 min and still flashing you may need a new stat. but give it a full 5 min.

Posted on Sep 20, 2009

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