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Carrier FA4BNF048 furnace isn't working

The furnace is blowing the circuit breaker. How do I go about trying to find the problem?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Therinnaiguy
  • 1420 Answers

SOURCE: Carrier air conditioner

Sounds like you either blew a transformer, have a bad circuit breaker or blew the main fuse in the outside disconnect. If the indoor unit is still blowing air (no matter what temperature) start looking at the power supply to the outdoor unit. From the circuit breaker, the power will go to a small box located within a few feet from the outside unit. This box will have either a lever on the side or you will be able to open the box and pull out the fuses. From this box the power goes to the condensor. The first thing you should do is to turn off the breaker to the outside unit. Flip it back on and if you have a call for cooling, after about 3 minutes the outdoor unit should start. If it does not, shut off power again to the unit by switching off the breaker, go outside and pull out the fuses in the disconnect box. Using a multi meter, check for continuity thru the fuses. If you have continuity, call your technician. If one or both fuses show no sign of continuity, replace the fuse(s). Make sure that the thermostat is working and sending a signal to the indoor air handler. You may be able to check this by turning the fan switch to "Fan" and see if the blower turns on. You may just have a bad thermostst. Caution should be used anytime you are near electrical components. If you do not have the skill-set required to test electrical equipment, leave it to a proffessional.

Posted on Sep 04, 2007

vanni7
  • 163 Answers

SOURCE: 3 amp fuse blows on a carrier 58mcb furnace board

Hi!!! Does your ac unit work fine?If not check your low voltage problem..You have a low voltage problem check the wire going out to your condensor make sure that they are not touching..Good luck..Check low voltage wires..short in progress..

Posted on Jan 04, 2009

tborn6
  • 700 Answers

SOURCE: Carrier Furnace is not blowing Heat

heres the manual for the unit, look at pages 46-47 and theres a trouble shooting ladder schematic that asks what the systums are then gives the solutions for the fix. if you are still having problems you can request to talk to me and I'll be more than happy to help.

http://www.docs.hvacpartners.com/idc/groups/public/documents/techlit/58st-13si.pdf

Posted on Jan 11, 2009

pierre1811
  • 144 Answers

SOURCE: Code 32 when wind blows

Hi and welcome to Fixya. I believe that the wind is affecting the draft. What I would recommend is to install a cap on the flue that is similar to a weather vane in that it rotates to block the wind from creating a downdraft in the flue. Some times depending on the direction and strength of the wind it will come up over the roof peak and then down the flue. A regular fixed cap may work too. You should be able to purchase one at your local hardware store. Please let me know if this was helpful. Good luck.

Posted on Jan 25, 2009

cdarnell89
  • 16 Answers

SOURCE: my carrier a/c compressor unit won't start. it

Could be that the compressor is locked up or either start components are bad..... need to get an AMP gauge and see what the AMP draw is when you hear the compressor try to start which is the click, Hmmmm, click your hearing,

Posted on Jul 07, 2009

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