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How to Tell if Your Central Air Conditioner is Broken

Posted on July 15, 2014Rick Welter

How to Tell if Your Central Air Conditioner is BrokenSummertime is starting to swelter and we hope that you have a good air conditioner to keep your home cool and comfortable. If you have central air conditioning, you’re probably used to the comforting sound of it clicking on followed by the rush of cool air coming through the vents. But what happens when that cool air unexpectedly stops flowing? How can you tell if your air conditioner is broken and if it’s time to call the repair man?

Before you pick up the phone to call the Ray N. Welter Heating Company, you may want to take a few minutes to determine whether or not your air conditioner is really broken, and if so, what the problem might be. Follow the tips below to learn why your air conditioner is malfunctioning and if it’s time to give Welter Heating a call.

  1. Check your Thermostat Before you break a sweat, check your thermostat to ensure that the thermostat is set to A/C and set to a comfortable temperature.
  • If the display of your digital thermostat is blank, add new batteries.
  •  If adding new batteries doesn’t do the trick, check to see if you’re getting power to the thermostat by pulling it off of the wall and check the wires using a multimeter to check for voltage.
  •  If you’re not getting voltage to the thermostat, check your fuse box to see if any of the fuses have been blown or tripped. If the fuses are OK, locate the switch connected to your central air conditioner (it’s probably the same fuse for your furnace since the blower is used to distribute both hot and cold air through the house). Turn the switch on and on and check your thermostat to see if that reset the connection.
  •  If you are getting voltage but the screen is still blank, go outside to the air handler to see if the fuse has been tripped. Take off the face of the air handler. Inside, you should see a small box that’s screwed close. Remove the screws to access the wires. Look for a 5 amp buss fuse. When this fuse goes out, it often causes your thermostat is blank. If the fuse is blown, it simply needs to be replaced.
  •  If your thermostat still isn’t working, check your warranty to see if it’s expired. Thermostats can break down after time and it’s possible that your thermostat needs to be replaced.
  1. Check the Air Handler The air handler is the part of the A/C that’s located outside of your home. After ensuring that your thermostat is on, set to A/C, and set to a low temperature, go outside and check if the air handler is running. If it’s not, proceed to the steps below.
  1. Turn on the Fan Check your thermostat and ensure that the fan is turned on. If it turns on, you know that the blower is still getting power. If the fan doesn’t turn on, that might indicate that you have a blower problem.
  1. Change your Filters If it’s been more than a month since you last changed your air filters, change your air filters and see if that does the trick. Air filters need to be changed every month, or else they can get clogged and impair the function of your central air conditioner.
  1. Check the Condensation Drain A clogged condensation drain can cause your air conditioner to malfunction. To check the condensation drain, remove the panel covering the condenser coils. If the coils are dirty, this will block the condensation drain and reduce the efficiency of your air conditioner.
  1. Recheck Air Handler After Each Step to see if it kicks in.

We hope that following these steps allowed you to fix your air conditioner. However, if your air conditioner is still malfunctioning, please contact the Ray N. Welter Heating Company to schedule an air conditioning repair service call.

 

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How to Tell if Your Central Air Conditioner is Broken

Posted on July 15, 2014Rick Welter

How to Tell if Your Central Air Conditioner is BrokenSummertime is starting to swelter and we hope that you have a good air conditioner to keep your home cool and comfortable. If you have central air conditioning, you’re probably used to the comforting sound of it clicking on followed by the rush of cool air coming through the vents. But what happens when that cool air unexpectedly stops flowing? How can you tell if your air conditioner is broken and if it’s time to call the repair man?

Before you pick up the phone to call the Ray N. Welter Heating Company, you may want to take a few minutes to determine whether or not your air conditioner is really broken, and if so, what the problem might be. Follow the tips below to learn why your air conditioner is malfunctioning and if it’s time to give Welter Heating a call.

  1. Check your Thermostat Before you break a sweat, check your thermostat to ensure that the thermostat is set to A/C and set to a comfortable temperature.
  • If the display of your digital thermostat is blank, add new batteries.
  •  If adding new batteries doesn’t do the trick, check to see if you’re getting power to the thermostat by pulling it off of the wall and check the wires using a multimeter to check for voltage.
  •  If you’re not getting voltage to the thermostat, check your fuse box to see if any of the fuses have been blown or tripped. If the fuses are OK, locate the switch connected to your central air conditioner (it’s probably the same fuse for your furnace since the blower is used to distribute both hot and cold air through the house). Turn the switch on and on and check your thermostat to see if that reset the connection.
  •  If you are getting voltage but the screen is still blank, go outside to the air handler to see if the fuse has been tripped. Take off the face of the air handler. Inside, you should see a small box that’s screwed close. Remove the screws to access the wires. Look for a 5 amp buss fuse. When this fuse goes out, it often causes your thermostat is blank. If the fuse is blown, it simply needs to be replaced.
  •  If your thermostat still isn’t working, check your warranty to see if it’s expired. Thermostats can break down after time and it’s possible that your thermostat needs to be replaced.
  1. Check the Air Handler The air handler is the part of the A/C that’s located outside of your home. After ensuring that your thermostat is on, set to A/C, and set to a low temperature, go outside and check if the air handler is running. If it’s not, proceed to the steps below.
  1. Turn on the Fan Check your thermostat and ensure that the fan is turned on. If it turns on, you know that the blower is still getting power. If the fan doesn’t turn on, that might indicate that you have a blower problem.
  1. Change your Filters If it’s been more than a month since you last changed your air filters, change your air filters and see if that does the trick. Air filters need to be changed every month, or else they can get clogged and impair the function of your central air conditioner.
  1. Check the Condensation Drain A clogged condensation drain can cause your air conditioner to malfunction. To check the condensation drain, remove the panel covering the condenser coils. If the coils are dirty, this will block the condensation drain and reduce the efficiency of your air conditioner.
  1. Recheck Air Handler After Each Step to see if it kicks in.

We hope that following these steps allowed you to fix your air conditioner. However, if your air conditioner is still malfunctioning, please contact the Ray N. Welter Heating Company to schedule an air conditioning repair service call.

 

Leave a Reply

Your email address will not be published. Required fields are marked *

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$99 Furnace Clean and Check
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