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It has a sound like its coming on but nothing comes out of the vents and it flashes heat or cool on my thermostat. The outside unit is working fine

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  • Stephanie Boone Dec 21, 2016

    I've also changed out the filters and reset the unit itself as well as the thermostat and checked both the unit breaker and the main breaker

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  • Master
  • 15,214 Answers

You need a service engineer as you have done all the things a good consumer can do. You may need gas topping up.

Posted on Dec 21, 2016

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Posted on Jan 02, 2017

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22yooper
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SOURCE: outside unit not working

If the heating and cooling is working O.K. and maintaining the proper temperatures it is possible that your outside unit is in its off cycle. If the inside unit is running and the outside unit is not with an elevated temperature inside check the power supply to the outside unit. Most units have a disconnect located near them. Check the disconnect and make sure it is set to the on position. Listen for a hum noise at the outside unit which could indicate that the control power is being supplied to the contactor.

Posted on Jun 15, 2008

SOURCE: AC Compressor running outside but no air coming out of inside vents.

Can you say, WOw, Icould've had a v-8 moment! I think you answered your own question or you are not far from the answer. (let me direct you, either the thermostat or the little door on the duct going to your room! Thank-you-very-much!

Posted on Aug 25, 2008

mastatech
  • 478 Answers

SOURCE: Amana 1 ton Residential AC / Outside unit comes on for a sec

open the service panel to check for control voltage of 24volts when tstat calling, The contactor should be pulled in, if contactor is down,and contacts appear to be clean, and the unit is still not running, it is a bad compressor. to test this unplug the black wire from the compressoror at contactor,w/ power off! Turn on power if fan works normally it's a bad compressor. However if you see a swollen split cap(5 wires to a soup can looking w/ the terminal C,F,and Comp), switch it first and start at square one.
You also need to consider the high pressure switch if its cycling on off on off.

Posted on Mar 12, 2009

panilling9
  • 284 Answers

SOURCE: Unit makes noise, but no air is coming out of vents

check the unit in attic for iced up and outdoor unit you may notice ice on lines or connecting tubing and in attic also-------- if so turn unit off at thermostat and leave fan switch on the thermostat to on while sytem switch is off
should be nothing running but the indoor fan
will have to thaw if it is iced up for a while couple hrs. a guess
you will know when it is thawed as your airflow will begin to come back

check your air filter to be sure it is clean
suggestion only-- keep your house thermostat set at 70 degrees or above
you may have developed a refrigerant leak (freon) which would require a hvac service tech to verify.
if it was iced you can turn all back on and try again once you have good airflow again.
or if your system has not been serviced lately? might be a good time to have it serviced?

Posted on Jun 21, 2009

  • 7 Answers

SOURCE: THE FAN IN THE OUTSIDE

either the fan has went out or the capisitor for the fan is bad and needs to be replaced.if you have run the outside unit very long without the fan turning you might be replacing the compressor as well as the fan or capisitor.if the fan isnt pulling air through the cond coil outside,the compressor gets very hot very fast,and it locks down(burns up). get it looked at asap before it cost more because of other broken parts caused by the fan not working.

Posted on Sep 25, 2010

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