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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. Our email address is: support@arnoldservice.com

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Top 10 Reasons Why the Blower Fan Motor will not come on. Furnaces, Air Conditioning and Heat Pumps

Questions: We have many people ask, “how can I find out why my fan blower motor is not working?” “Why does my fan motor not work when I turn on my furnace or air conditioner?”

Answer: I found a real good Youtube video made by ACServicetech that explains the top 10 reasons why fan blower motors will not come on. ACServicetech goes over what to look for in the system, components that fail most often, how to test the components, where to take readings with a multimeter as well as other tips! This is a great video that I would highly recommend that you watch  if your fan blower will not come on. Many thanks to ACServicetech for making this informative video! If you have any questions please email us anytime. Our email address is: support@arnoldservice.com. We would love to help you out and earn your business!

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Question: How do I troubleshoot my Gas Furnace Spark Ignition Control?

Troubleshooting Gas & Electric Furnaces

Question: We have many nice people ask us questions about why their spark ignition gas furnace is not working right? Some of the problems are:

  1. My furnace does not spark.
  2. My spark ignition furnace will not light the pilot.
  3. My spark ignition furnace will not light the main gas valve.
  4. My spark ignition furnace cuts the main gas valve on for a short period of time and then cuts the gas right back off. What is wrong?

I found two real good Youtube videos below made by ACservicetech that will definitely help you in troubleshooting gas furnace spark ignition problems. Thanks to ACservicetech for making these two great videos. If you have any questions please let me, Steve Arnold know. Our email address is: support@arnoldservice.com. I would love to try and help you out!


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How do I adjust the gas pressure on my natural gas furnace?

White-Rodgers Goodman Furnace Gas Valve 36G22-254

Question: I have a Super Quiet 80 Achiever Series by Rudd furnace. It works great when it wants to. Intermittently it will shut down at night and we have to wake up cold in the morning. Troubleshooting reveals the first burner of the 3 always lights like it is supposed to, but the other 2 don’t always follow suit. Sometimes they light off and other times they try twice , fail , and the furnace shuts down till we reset everything and start over. Service tech came out, cleaned the ignitor, checked everything he could think of and it seemed to work well while he was here. He said we could possibly have a low gas pressure problem. I guess I’m looking for some professional input before calling him back and start the high priced guessing game again.
I would really appreciate any input you could give me. Thanks in advance !! Joe

Answer: Hi Joe! Sorry to hear that you are having trouble with the burners not lighting all the way across sometimes. This probably occurs most often when the furnace is cold and trying to light and start. If the service tech did not already do this I would suggest that you turn the furnace and gas off, take the burners out and blow them out with compressed air and use a wire brush to clean them out on the outside. I would unscrew the gas orifices and blow them out with compressed air. I would suggest either cleaning or replacing the flame sensor while you have the burners out. If you need part numbers please send me your furnace’s model number and serial number to our email address: arnoldservice@gmail.com and I will give you the part numbers. If you are still having problems with the two burners not lighting properly I would suggest adjusting the gas pressure up on your gas valve. I would suggest turning the adjustment screw counter-clockwise 1/4 a turn and test to see if this helps. Be ready to turn the furnace off with the power switch if the furnace does not light right away because if the gas valve is not adjusted properly it can cause delayed ignition (small explosion) and this is not good. I have seen delayed ignition blow furnace doors off! There is a good Youtube video on how to properly adjust gas pressure on the following page: https://www.youtube.com/watch?v=xvQabz6d_4g  Thanks to ACServicetech for making this great video! Your problem sounds like either dirty burners or gas pressure on the gas valve set too low. I hope you can find and fix this problem soon! Steve

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Honeywell Smart Valve Ignitor and Flame Sensor Troubleshooting

Honeywell SV9501M2528 smart gas valve

We have had many people ask us about how to troubleshoot Honeywell Smart Valves. I found a real good Youtube video made by ACServicetech which explains how to troubleshoot Honeywell Smart Valve gas valves below. I hope this will help you to easily troubleshoot your furnace problems. We sell one Honeywell Smart Valve on the following page: https://arnoldservice.com/product/sv9501m2528-honeywell-smart-gas-valve/ We sell the  Honeywell  Smart Valve complete pilot burner assembly on the following page: https://arnoldservice.com/product/70l5401-honeywell-smart-valve-complete-pilot-burner-assembly/ Please email us anytime if you have a question. Our email address is: support@arnoldservice.com. We would love to try and help you out!  We hope the following video will help:

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Fuse on my control board blows constantly. How do I find a Low Voltage Short?

troubleshooting air conditioners and heat pumps

We have many customers ask how to find a low voltage short when the low voltage transformer is burning up or the fuse on the control board constantly blows? Most of the time I have found that shorts occur in the thermostat wires that go out to the outdoor condensing unit. Wear and tear of sun light, animals or weed eaters usually cause these shorts. I would suggest inspecting the thermostat wires for cracks, wear and tear. Pay close attention to where the thermostat wires go through the body of the furnace or air conditioning unit. Many times the thermostat wires will short out against the body of the furnace or air conditioner. I found this real good Youtube video on how to find low voltage shorts by ACservicetech. I hope this great Youtube Video will help you out in finding where the short is located. Thanks so much to ACservicetech for making this great video! If you have any questions please email us anytime: support@arnoldservice.com

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Top 12 Problems/Mistakes when Installing or Replacing a Thermostat! HVAC Tips!

We have had many questions and problems about thermostats and about thermostat installations. I found a very good video on the ACservicetech youtube channel. Please click here if you are interested in seeing some of the many outstanding HVAC service and troubleshooting videos.   Below we have an excellent Youtube video that I copied from the ACservicetech channel which shows 12 problems, mistakes that we can make when installing or replacing a thermostat. I hope this helps you out. If you have any questions please email me, Steve Arnold anytime. Our email address is: support@arnoldservice.com. We would love to help you out and earn your business!

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Problem: I have a bad igniter is there anyway to light a gas furnace manually?

Problem: I have a bad igniter, is there anyway to light a gas furnace manually? My family is cold please help!

Solution in an Emergency Situation: An Emergency situation would be a situation where your furnace ignitor goes out in the middle of the night, on the weekend or holiday. It is Super cold outside and you need to get heat from your furnace to protect your family and the pipes from freezing. We have had many customers who are cold and without heat over the years on the weekends or Holidays. They do not want to wait on a service tech or wait on shipping for a new ignitor. They need heat as soon as possible. I feel very sorry for them being without heat when it is real cold out! I decided I would include this YouTube video on how to light a gas furnace manually on our website. Below we have a YouTube Video which shows how to manually light a furnace when the ignitor fails. I only provide this video because I do not want to see anyone be cold when they could actually have heat in their home. Changes in the video that I would make would be to: (1) use a long wooden match instead of the lighter. (2) Make sure the match is burning when the draft inducer comes on. You must make sure the burning match is sitting in front of one of the burners before the gas valve opens. The worst mistake would be to allow gas to come into the furnace and then apply the match. This could produce a  mini-explosion or fire! (3) You should control the furnace On/Off using the electrical switch (like a light switch) usually located on the side of the furnace. This way you are not depending on someone else to turn the thermostat up and down and you have immediate control of the furnace.  The match needs to be burning and sitting in front of one of the burners before the gas valve opens. Please remember the gas valve is only going to be open for 7 to 10 seconds and if the flame sensor does not sense the furnace flame then the gas valve will shut off until there is another cycle. Below we have a YouTube Video that shows how to Manually Light a Gas Furnace when you have a bad igniter. This video was made by Chris Swain. Thanks to Mr. Swain for making this informative video. I hope this will save you from having a cold home.

Please send us your furnace’s model number if you would like for us to use one of our online parts programs to recommend a replacement ignitor for your furnace. On Bryant Carrier furnaces we will need the product number. On Rheem Ruud we will need both model number and serial number. All other furnaces just the model number.  Our email address is: support@arnoldservice.com. Please click here if you would like to see the furnace ignitors we sell.

*Disclaimer: Arnold’s Service Company, Inc. assumes no liability for any incidental, consequential or other liability from the use of this information. All risks and damages, incidental or otherwise, arising from the use or misuse of the information contained herein are entirely the responsibility of the user. Although careful precaution has been taken in the preparation of this website’s information, we assume no responsibility for omissions or errors.

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Aprilaire 500 Humidifier Maintenance Video

Aprilaire 550560

Below we have an Aprilaire humidifier 500 maintenance video made by HVAC.com. Many thanks to HVAC.com for making this informative video! This video shows you step by step how to perform the seasonal maintenance on your Aprilaire 500 Bypass Whole Home Humidifier. In the video it shows how to check the water feed tube, the strainer, the drain tube, the drain spud, the orifice, and the water panel. All of these are important parts that ensure your humidifiers performance and efficiency. Please click here if you would like to see the parts and supplies that we sell for the Aprilaire Model 500 series humidifiers. Please email us anytime if you have questions. Our email address is: support@arnoldservice.com. We would love to help you out and have your business!