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Will not cool off house but fan outside is blowing

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  • 246 Answers

If the outside fan is running, (assuming the inside fan is too) then you can bet you have a compressor 'not' running. You know the fuses/breaker are good, otherwise, the outside fan wouldn't be running.

If you're lucky you have a wire burnt off the compressor and a honest tech will fix that for you - fairly cheap - probably around $150.

Or, you could do it yourself.

1) shut off all electricity to the unit, i.e. turn the breaker off or pull the fuse block. You'll find the breaker and or fuse block in the little gray electrical box mounted usually on the side of the house, but in any event somewhere close to the outside unit. If you're not sure - just follow the electrical conduit from the outside unit to the gray electrical box.

2) go to the compressor and pull the little plastic cap from where the wires all are. Usually this little plastic cap has a metal snap of some sort holding it in. But once you get the cap off - if you're lucky you'll have a wire burnt off one of the compressor terminals. If that's the case - all you have to do is get a new connection back on the wire and slide it on the vacant terminal.

Note: it's possible to have 'two' wires burnt off - in which case it might be a little more difficult - because then you will have 'two' vacant terminals. At this point it might be wise to get a service tech to help you out - to make sure you get the wires back on correctly.

3) once you have the formerly burnt wire back on the compressor terminal - you just need to be sure the new connection is 'tight.' Remember when it comes to electrical connections - 'make them tight,' otherwise you'll have problems.

4) put the breaker back in the up position or insert the fuse block back in - and turn the AC back on using the inside thermostat.

5) if it's not a burnt (off) wire - then my guess is you're looking at compressor problems and it's time to call a service tech.

good luck!

Posted on May 05, 2010

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Check to see if a circut breaker tripped if not the cause then go to the power box on the outside of the house and see if there is a breaker outside or that the pull breaker is making a good contact by pulling it out and pushing it back in a few times (WITH the breaker for the ac in the OFF posistion

Posted on May 05, 2010

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Posted on Jan 02, 2017

22yooper
  • 828 Answers

SOURCE: outside makes loud noise

I would take a very close look at every solder joint there is between the inside unit and the outside. If you observe oil at any point it indicates a leak at that point. That is an expensive price for what you say was done. Check your invoice for the amount of refrigerant they or he added to the system. Compare it with the amount stated on the outside unit nameplate. Check for frost on the suction (big line) by the outside unit. If there is frost your coil is frozen up. If this is the case turn the fan on and the cooling off. Allow it to run in this manor for about an hour to defrost the A coil. Then return to the cooling mode.

Posted on Jun 16, 2008

shastalaker7
  • 1515 Answers

SOURCE: the a/c unit outside doesnt come on but the fan

Hi, this is a split system Goodman. With the j36 in the model number, that tells me it is a 3 1/2 ton unit. If the outdoor condensing unit is off and doing nothing at all, no fan on top running, no compressor or anything, it sounds as though you have lost power to it. The high voltage to the outdoor unit is seperate from the indoor unit. When it is not running, you have only warm air from the indoor unit. Before I have you do anything, go out to the unit. Take a water hose being careful not to bend the fins on the coil, and wash just the coil very good. If its dirty, it can cause the pressures in the system to rise very high and blow a fuse or trip a breaker. When you are done washing it, you should have a electrical box mounted on the wall that feeds power to this unit. First, find your main breaker box to your home. It should be where the meter is. Find it and it will have several different breakers in it. They may or may not be marked. Look for a double - pole 30 to 40 amp breaker that should say a/c, if it was marked. If not, look and touch them, it will be 2 breakers together and feel if they are tripped. If so, turn it off with a hard motion. Then, back on the same way. Watch to see if it holds and does not trip on you. If its ok, go to the outdoor unit. Make sure the thermostat is on auto/cool and turned way down for it to come on. If it was a breaker and its running, more then likely the dirt from coil caused it to over amp and trip. Now, if there is power and breaker is on but still not on, open the box at the unit. It may have a pull out type plug, or breakers. If it has a breaker, turn it off and on like the other. If it doesn't, behind a plastic panel you will have 2- fuses. Turn off power at main box breaker, and remove both fuses. They are cheap, so go get 2 at a hardware store and replace them. You can have them ohmed out to see if one was bad. After installing the new ones and you turn it on, and all is good, that was your problem. May sure you have power to this outside unit. If it was a blown fuse or tripped breaker and this continues to happen, you may have a internal compressor or condenser fan motor problem. Try the things I have said first. This may be the only problem you have. I do this for a living, 33 years and a licensed contractor. Please keep me posted and I will continue to help you if you need me. Let me know after you check everything.
Sincerely,
Shastalaker7 :)

Posted on Apr 11, 2010

  • 2006 Answers

SOURCE: The central air turns on, but does not cool. The

There should be an electrical box next to your exterior unit. Open it up and there should be a pull handle on an electrical bridge. Usually when it is turned one way it will make an electrical connection and if it is rotated 180 degrees and plugged in it won't make an electrical connection.

Posted on Jun 04, 2011

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