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Make Sure You Test Your Furnace or Heat Pump Early to Make Sure It Is Working Properly.

Troubleshooting Gas & Electric Furnaces

Hi Everyone! We would highly recommend that you test your furnace or heat pump on a cool fall evening to make sure that your furnace or heat pump is working properly. We do not recommend waiting until the weather gets really cold out before testing your heating and air conditioning equipment because this could result in a really cold house or an expensive repair service call. We recommend having an extra furnace hot surface ignitor and flame sensor on hand. We sell furnace hot surface ignitors on the following page: Please click here to see the name brand furnace hot surface ignitors we sell. Please click here to see the name brand furnace flame sensors that we sell.

You might even want to keep an extra furnace pressure switch too. Please click here if you are interested in the furnace pressure switches that we sell.

If you would like to look up any parts for your furnace or heat pump please send us your furnace or heat pump’s brand name and model number and we will be happy to look up and recommend parts for you! Our email address is support@arnoldservice.com

Below we have two real good Youtube videos. One is from Word of Advice TV titled “Is Your Furnace Not Working Right? How to Check it Yourself.”

Another great YouTube Video called, “Furnace Troubleshooting” by Structure Tech Home Inspections.

We have lots of furnace troubleshooting advice on the following page: Please click here to see our Gas & Electric Furnace Troubleshooting page.  I would suggest going through the troubleshooting flow chart to see what is wrong: Please click here if you would like to see a furnace troubleshooting flow chart.  We also have lots of troubleshooting questions and answers on the following page:  Please click here if you would like to see our furnace troubleshooting questions and answers index page.  If you have any specific questions please let me, Steve Arnold  know and I will be glad to try and answer any questions. My email address is support@arnoldservice.com

We hope this will help you keep your home warm and toasty this winter! Thanks so very much for reading this article! God bless you and your family today and always! Steve & Barbara Arnold

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How to Wire Up a Heat Pump Thermostat?

We have many people ask us how do I wire up my new heat pump thermostat? What do the wire colors mean? What are the functions of the wire and colors? What do the terminals on the thermostat mean? How do I wire up the auxiliary and emergency heat? Below we have an excellent Youtube video Made by AC Service Tech that answers all these questions. If you have any questions please email us anytime. Our email address is support@arnoldservice.com

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How Do I Use and Read a Refrigerant Gauge Set? How do I Check the AC Refrigerant Level?

troubleshooting air conditioners and heat pumps

Question: We have many people ask us the questions: How do I use and read a refrigerant gauge set? How do I check the AC refrigerant level? What do all those numbers and different colors mean? How do I check to make sure I have the right amount of refrigerant in my air conditioner or heat pump system?

Answer: We have three really good Youtube Videos made by Word of Advice TV and AC Service Tech LLC that shows how to read a refrigerant gauge set and how to charge air conditioning systems that use both R410A and R22 refrigerants.  I hope this helps you understand how to read a gauge set. I hope these videos help you get your air conditioner or heat pump charged correctly. If you have any questions please email us anytime. Our email address is support@arnoldservice.com.


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A Great Super Fantastic Book for Learning How to Service and Repair Air Conditioners and Heat Pumps

My friend, Craig Migliaccio just finished this great book on Refrigerant Charging and Service Procedures for Air Conditioning. If you would like to see more information on the book or purchase here is the link https://www.acservicetech.com/the-book Mr. Migliaccio has dedicated many hours to this excellent book and has been kind enough to make hundreds of Youtube repair and troubleshooting videos. We feature many of these videos taken from the AC Service Tech Youtube Channel on our site! “This book is dedicated to those who are eager to learn the HVACR Trade and Refrigerant Charging/Troubleshooting Practices. In this book, you will find step by step procedures for preparing an air conditioning and heat pump system for refrigerant, reading the manifold gauge set, measuring the refrigerant charge level, and troubleshooting problems with the system’s refrigerant flow. This book differs from others as it gives key insights into each procedure along with tool use from a technician’s perspective, in language that the technician can understand. The book also explains the refrigeration cycle of air conditioners and heat pumps, refrigerant properties, heat transfer, the components included in the system, the roles of each component, airflow requirements, and common problems.”

Procedures Included are:

  • Pump Down
  • Vacuum and Standing Vacuum Test
  • Recovery and Recovery Bottle use
  • Refrigerant Manifold Gauge Set and Hose Connection and Disconnection
  • Service Valve Positions and Port Access
  • Preparation of the System for Refrigerant
  • Refrigerant Charging and Recovery on an Active System
  • Troubleshooting the Refrigeration Charge and System Operation.

 

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Top 12 Problems and Mistakes when installing or replacing thermostats!

We have been getting lots of questions about how to install thermostats properly. Many questions are about why my newly installed thermostat is not working properly.  I found this excellent Youtube video from AC Service Tech that shows what the top 12 problems and mistakes are when installing or replacing thermostats.  I hope this helps you when installing or replacing a thermostat. Thanks so much to AC Service Tech for making this excellent video! We would love to help you out and earn your business!  Please email us anytime if you have questions. Support@arnoldservice.com

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Problem: AC Unit Not Turning On-How to Fix it.

troubleshooting air conditioners and heat pumps

Problem: My air conditioner will not turn on. What could be the problem with my AC not turning on?

Answer: I found this excellent YouTube video from Word of Advice TV that explains many problems that can cause your Air Conditioner to not work or come on. This is one of the best videos I have ever seen on troubleshooting an air conditioner. I hope this helps you find and fix your air conditioner or heat pump system. If you have any questions please respond in the comments below or email me Steve Arnold at: Support@arnoldservice.com. Thanks so much for giving us the opportunity to serve you! Hope you have a blessed day! Steve

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Top 10 Air Conditioner Service Call Problems

troubleshooting air conditioners and heat pumps

Many people have trouble troubleshooting and finding out what is wrong with their air conditioner when it does not work. I found this excellent Youtube video from Word of Advice TV that shows what are the top 10 air conditioner service call problems. I have the video below. I have the problems listed below the video.  You can see that many of these problems can be easily fixed and are easy inexpensive problems.  I counted 17 top problems and 9 honorable mention problems. I hope this helps you find and fix your air conditioner’s problem. We would love to help you out and earn your business. Please email us anytime if you have questions. Support@arnoldservice.com

  1. Bad Capacitor. Please click here to see the capacitors we sell.
  2. Refrigerant Leaks
  3. Plugged or stopped up condensate drain line. If you have a condensate pump make sure the pump is working and the condensate pump safety switch is not open.
  4. Bad control board on furnace or heat pump.
  5. Bad condenser fan motor. Please click here to see the condenser fan motors we sell.
  6. Bad blower motor or bad blower motor capacitor. Please click here to see the blower motors we sell.
  7. Compressor shorted to ground. (will need a new compressor).
  8. Dirty furnace filter
  9. Tripped AC Breaker (If your AC is not coming on I would suggest turning the breaker completely off and back on again to make sure the breaker is on. Do not touch anything metal on your circuit breaker box for safety).
  10. AC completely out of refrigerant (Freon).
  11. Dirty Condenser Coil
  12. Bad Contactor. We sell contactors on the following page: Please click here to see the contactors we sell.
  13. Drain pan coil leaking water.
  14. Mouse or insect damage in the control box.
  15. Broken or loose wires.
  16. Locked Rotor on compressor. Might use an SPP6 to unlock compressor. Please click here to see the SPP6 compressor hard start booster we sell.
  17. Inefficient Compressor where the valves are blown on the compressor.

Honorable Mention Problems:

  1. Furnace switch turned off on the side of the furnace.
  2. Blown AC disconnect fuses.
  3. Evaporator Coil completely clogged with lint and dirt.
  4. Restricted metering device. Either restrictor pin orifice or TXV stopped up or not working properly.
  5. Cracked condenser fan blade.
  6. Thermostat bad or thermostat batteries bad.
  7. Low voltage transformer bad. Please click here if you are interested in the low voltage transformers we sell.
  8. Door safety switch on furnace not pushed all the way in. Furnace blower door is loose.
  9. Vandalism where someone intentionally did something to cause the AC unit not to work.
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Why is my new heating and air conditioning system not heating and cooling my house properly?

troubleshooting air conditioners and heat pumps

We have this questions asked many times over the years and I want to post my response to this frequently asked question: I am so sorry to hear that you have spent all this money and still do not have a furnace and air conditioner that are working properly! I have this problem asked many times over the years and my answer is:  I would strongly recommend that you have your HVAC contractor do a Manual J Heat Gain and Heat Loss calculation on your home before installing a new furnace or doing any other work. We are required here in Louisville, KY to submit a Manual J calculation to the Housing Department, Code enforcement before a permit will be issued to start a new installation. Without the Manual J calculation, it would be a guess as to what size equipment needs to be installed and this is why many people get the wrong size equipment. Requiring a heat gain, heat loss calculation protects the homeowner from getting the wrong size HVAC equipment installed. Most companies have a Manual J computer program where they enter the required information like the home’s orientation (facing north, south, etc.) the amount of insulation, window types, door types and all surfaces that gain or lose heat and more. The computer program will figure the amount of heat loss and gain and tell the contractor what size HVAC equipment needs to be installed.  I would recommend that you get this Manual J calculation completed for your home so you know for sure that you are getting the right sized HVAC equipment installed. Even though it is a pain and extra expense for the homeowner and contractor this insures the right size equipment is installed and is invaluable for protecting your energy bill and comfort. We have many other air conditioning and heat pump troubleshooting pages. Please click here to see more troubleshooting advice. Please click here to see the many name brand air conditioner and heat pump repair parts that we sell. We would love to answer your questions and earn your business! If you have any questions please email us anytime: Support@arnoldservice.com

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Problem: How do I remove my furnace control board without breaking the plastic pins that hold the board in place?

Problem: I am trying to replace the furnace control board on my Goodman furnace. How do I remove my furnace control board without breaking the plastic pins that hold the board in place? I tried needle nose pliers and my fingers, but I am afraid I am going to break the control board pins that hold the board in place. Do you have an recommendations?

Answer: A customer of ours Mr. Young, sent me this Youtube video (below) which shows how to easily remove a furnace control board using a Bic ink pen with the ink cartridge removed. I will be sure to keep an ink pen with the ink cartridge removed in my tool box! Thanks to Total Air Supply Inc. for making this great video!

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Problem: Why is my fan blower motor running all the time?

Problem: We have many people ask, “Why is my fan blower motor running all the time. My blower motor will not shut off?” “Why does my fan motor run continuously when I use my furnace?”

Answer: I found a real good Youtube video made by ACServicetech that explains 4 reasons why fan blower motors run continuously. In this video ACServicetech goes over why the Blower Fan Motor Won’t Shut off/Continuously Runs and some of the most common reasons why furnaces or air handlers have this problem. ACServicetech shows step by step Troubleshooting on how to figure out what is causing this problem. This is a great video that I would highly recommend that you watch  if your fan motor is running continuously. Many thanks to ACServicetech for making this informative video! If you have any questions please feel free to email us anytime or respond in the comments section below. We have many heating and air conditioning troubleshooting links, Videos and Resources on the following page: Please click here for more troubleshooting resourcesWe would love to help you out and earn your business! Our email address is: support@arnoldservice.com