Thank you so much for this video! My A/C went out- while it's 100* of course- and I tested my thermostat before someone could come out to replace the A/C unit, and this was actually the problem!! You're a lifesaver!
Thanks for this! I changed my thermostat during the winter (it was definitely bad) but when I switched to AC today I got fan but no AC. Following your lead I discovered that the Yellow wire was broken (no doubt the result of my prior installation). I was able to strip the yellow back far enough to get get a good connection, and now I have AC!! Yay!
Thank you so very much. You helped me to avoid calling in a service repair. Check the system as demonstrated and bought a new thermostat. Returned a 3-month old defective one and system back on. Again TH-cam and people like you posting their expertise has saved me.
Mr. Chris Bond-YOU ARE THE MAN!!!!!!. My a/c just went out here in hot, humid Florida. I thought I was going to die. I did what you said and my a/c came on. Bad T-stat. You are a life saver. Keep up the great work!
Thank you, thank you, thank you! I watched multiple videos and you are the only one that covered checking the wires. It is HOT in SC today and you saved me from a very expensive repair call. Installing a new thermostat now. You rock.
I just watched try to help you channel and he recommended you I have three kids one with bronchitis and it was 85 indoor. I just wanted to say Thank you not only did you teach me something new I now have working A/C I really appreciate it🙏
Hello there. I just wanted to say thank you. Today is the hottest day of the year here in Michigan. My air conditioner wouldn't come on and I have two dogs... One with dense long fur. I I'm a female and I live alone with my dogs. I live in a condo which is an upper unit. My place got up to 87 degrees today. With $123 to my name, calling an HVAC guy was not an option. I did a search on TH-cam and followed your instruction on how to test my thermostat before tackling a major problem. Thank you so much! It was my thermostat that was faulty. I attached the red to the green to check the blower, then I attached the yellow (in my case blue) to both wires. I looked outside and was happy to see my AC fan turning. My dogs say thank you too. They are no longer panting. I'm on my way to pick up a new thermostat. Thanks for saving me money on a service call. Now I can buy doggie treats. Have a great day,,,!!! I'm subscribed.
Thank you! It is 25 degrees here and our old thermostat stopped working on the 3 floor zone .last night. Installed a new Honeywell programmable thermostat, followed all directions . We have only two wires, yellow and red. System would not turn on. After many tries to fix it, your video explained how to test the system and using the white connection section on the thermostat with the yellow wire did the trick!! This old house. Thank you!!!!
Thanks for the help and info! My thermostat went blank, checked the wiring like you demo'd. Nothing was happening, so I figured the thermostat was good. Ended up being a blown fuse 5amp in my garage unit panel. But the testing and troubleshooting with the red+yellow, red+white test to see if I was even getting power to the thermostat. Also had a volt meter, so I was able to see no voltage to the thermostat anyways. But this way is great for folks that dont have or know how to use a volt/multimeter. a few cents for a fuse beats 50$+ for a new thermostat any day of the week! FYI... BE CAREFUL WHEN TRIMMING SHRUBS BY THE OUTDOOR A/C UNIT, you might accidentally cut the wire going from the thermostat to the a/c unit and have to re-splice and re-connect the wires and might end up with a blank thermostat! my story.... Thanks for the troubleshooting video!!!
Thank you. The guy from NVEnergy was out here to do an Energy Audit for us (at least just the rooftop package unit). He sort of forgot to turn the power to the unit back on. Thanks to your video I was able to determine it wasn't the T-Stat. The red wire had 0 volts. So I checked up on the roof and found he left the switch off. Problem solved, we have heat!
Michael Selvage Yeah but you know you should report that guy because you don't know how many people he did that too and it could be a little old lady that lives alone that can't climb up on the roof and we're done. Maybe having to pay all that money to someone who's dishonest and it's going to say they had to make a quick repair.
THANK YOU!! Saved me an $80 service call and who knows how much 'their' thermostat and time would have cost me. Yay! All fixed... all by myself. The house is no longer 88°F inside.
Thanks for posting videos because I live in Florida super hot weather snd my ac wend dead at 9 pm. No one could help me. I watched your video and I tested the thermostat taking the cover out and I put it back in and the ac start working again. I might need to replace the thermostat in the future.
Thank you Chris! You help me a lot! I was able to figure out that my thermostat is bad. You video is great, just need a little more lightning, and a steady camera
Thanks for the video… Our thermostat stopped showing anything on the screen a few months ago … I noticed it had a battery compartment so I added some. The outside drain was clogged as well because the safe T float switch pipe. Sucked out all the backed up water and then the batteries worked. Fast forward to today … the drain pipe was clogged again but the thermostat was showing a display but it wouldn’t kick on. So I’m wondering if the thermostat is going out
Thanks for the video. My thermostat screen started to mess up a few weeks before it went out then a few days ago the air wouldn't turn on. The guy who came to fix it was full of bs. He did something outside, told me to set it on 75 but somehow the inside went as low as 60 and it kept saying aux heat on which I thought was weird being that the air was on. The new day I didn't touch the thermostat, went out of town and came back to no air and it being 83 degrees. Anyways I figured it was the thermostat because the inside temperature was the only thing on the thermostat when it was set to cool and cool on would keep flashing (if it even showed up). Thank you so much for this video!!
I am having problems with the system not cooling enough. I raised the thermostat setting from 74 to 75, because the a/c will not shut down. It does show a 75 degree on both the setting and temp panels. Could I also have a bad thermostat?
I have to start Propane furnace with the SOP start up procedure , nothing happens.then hours later Furnace is running . When it reaches set Temp cuts off auto just fine . BUT ,when room temp Falls below set temp - Furnace never comes back on ?? So , If I understand this correctly ? Jump Red to White for furnace - if It comes on , then Thermo~ is bad . One thing , I don't think you want to connect Red to Yellow ? as there has to be a delay for the compressor ? Just curious . I'm no expert :-) Audio is good on this vid as I can hear it just fine compared to other vids . Thanks for sharing ..
Sorry just came across you. I have R W Y G I touch the R &G R&Y an R&W wire together and nothing happens I’m in a apartment with the units on roof furnace inside
good vid i subscribed....chris....i manually turn the fan on alot during summer days, 4 years old carrier so low miles...today...i lowered the air to 75 from 78, fan set to auto this time, but the 'cool' WORD on honeywell just blinked nothing, no blower came on...i eventually went inthe attic and turn the power off for 30 seconds...and turned it back on...cycled off,heating, cool...left it alone, set it to 75, and finally came on............wats my issue? thanks!
Great information. Can I do the test...I have a package unit, fan or blower run continuously no heat or cool air when calling.and the only way to stop the fan is to cut the power. Please help!! Thanks in advance.
this is a great video I knew how to do that but I wasn't sure but can you tell me where the red wire from t-stat connect to in side of the electric goodman furnace cuz my heater is not working... ac works ok but seems to me like who ever work on it before connect wires on the wrong side cuz the red wire from t-stat is connect it to blue wire that comes from furnace can you please help
hey chris, you didn't mention it, if I test for a bad tsat according to your vid, do i have to replace the entire tsat unit including the backing plate or just the face???????
Hey ..Thanks...Lovely video ..Are all houses in Texas (houston) wired up with these wire colors ? I hope u can answer me on time ...my electric heater , AC and fan all wot turn on
Can any one give me an idea what could be wrong I turn my heater or A/C and work ok but after a couple sequences of On and Off the system won't come on any more until I reset the temperature then it will work again but it will repeat and do the same all over again, any ideas thank you.
Hi hello woke up this morning with my ac off and thermostat BLANK! FOUND YOUR VIDEO AND DID EXACTLY WHAT YOU DID BUT NONE OF THEM TURNED ON .....WHAT NEXT? What should I check now? Help!!!!
Hey there. I have the same thermostat as in this video...the one that's on the wall already. I've changed the batteries with new Energizer and it won't display full numbers...only part. Any ideas?? I can't get it to kick on when on auto/cool but only when on fan/cool. Any ideas?!!!
Thermostat click but AC not running. Honeywell RTH2300B sign shows COOL ON (Cool on sign not flashing and no problem with heating.) Any suggestion,, How come not getting shocked when you touched the 24volt wire?
I will be installing a new wifi thermostat that needs the c wire. How can I check to see if my c wire is hooked up correctly at the air handler? Is there a way to test it like you tested the other wires? Thanks.
my thermostat isn't connected to wires and it's battery powered, should i be worried? and the wires are inside the wall but i do not dare to touch as i have no experience. Please help!
so what if when i test all these wires absolutely nothing happens at all. i tried red to yellow, red to white, green and red, green/red/yellow, green/red/white and nothing happens at all.
You either fried your T'stat or fried the 24volt side your transformer.If you have a transformer that has a reset button on it press the button.Take a digital meter and test the 2 wires coming from the 24volt side of the transformer and see if you're getting 24 volts . If you don't, you need a new transformer. If you do get 24volts , check to see if there is a fuse in line with the hot wire of the transformer on the 24volt side. Might be blown.
Thank you so much for this video! My A/C went out- while it's 100* of course- and I tested my thermostat before someone could come out to replace the A/C unit, and this was actually the problem!! You're a lifesaver!
Thanks for this! I changed my thermostat during the winter (it was definitely bad) but when I switched to AC today I got fan but no AC. Following your lead I discovered that the Yellow wire was broken (no doubt the result of my prior installation). I was able to strip the yellow back far enough to get get a good connection, and now I have AC!! Yay!
Thank you so very much. You helped me to avoid calling in a service repair. Check the system as demonstrated and bought a new thermostat. Returned a 3-month old defective one and system back on. Again TH-cam and people like you posting their expertise has saved me.
Mr. Chris Bond-YOU ARE THE MAN!!!!!!. My a/c just went out here in hot, humid Florida. I thought I was going to die. I did what you said and my a/c came on. Bad T-stat. You are a life saver. Keep up the great work!
Thank you, thank you, thank you! I watched multiple videos and you are the only one that covered checking the wires. It is HOT in SC today and you saved me from a very expensive repair call. Installing a new thermostat now. You rock.
This is now my favorite video on TH-cam! Thank you so much, I FIXED IT ALL BY MYSELF!!
My air quit. watched your video...(thanks to TRY to HELP)
bought new thermostat...saved a bit of cash. Thank you!
I just watched try to help you channel and he recommended you I have three kids one with bronchitis and it was 85 indoor. I just wanted to say Thank you not only did you teach me something new I now have working A/C I really appreciate it🙏
Hello there. I just wanted to say thank you. Today is the hottest day of the year here in Michigan. My air conditioner wouldn't come on and I have two dogs... One with dense long fur. I I'm a female and I live alone with my dogs. I live in a condo which is an upper unit. My place got up to 87 degrees today. With $123 to my name, calling an HVAC guy was not an option. I did a search on TH-cam and followed your instruction on how to test my thermostat before tackling a major problem. Thank you so much! It was my thermostat that was faulty. I attached the red to the green to check the blower, then I attached the yellow (in my case blue) to both wires. I looked outside and was happy to see my AC fan turning. My dogs say thank you too. They are no longer panting. I'm on my way to pick up a new thermostat. Thanks for saving me money on a service call. Now I can buy doggie treats. Have a great day,,,!!! I'm subscribed.
You saved a life today man. My ac would not work and I about called to have a quote, you saved me a hundred dollars!!!
I learned more watching this video than all the others I watched put together. Thank you for a very practicle demostration and explanation.
Thank you! It is 25 degrees here and our old thermostat stopped working on the 3 floor zone .last night. Installed a new Honeywell programmable thermostat, followed all directions . We have only two wires, yellow and red. System would not turn on.
After many tries to fix it, your video explained how to test the system and using the white connection section on the thermostat with the yellow wire did the trick!!
This old house.
Thank you!!!!
Thanks for the help and info! My thermostat went blank, checked the wiring like you demo'd. Nothing was happening, so I figured the thermostat was good. Ended up being a blown fuse 5amp in my garage unit panel. But the testing and troubleshooting with the red+yellow, red+white test to see if I was even getting power to the thermostat. Also had a volt meter, so I was able to see no voltage to the thermostat anyways. But this way is great for folks that dont have or know how to use a volt/multimeter. a few cents for a fuse beats 50$+ for a new thermostat any day of the week! FYI... BE CAREFUL WHEN TRIMMING SHRUBS BY THE OUTDOOR A/C UNIT, you might accidentally cut the wire going from the thermostat to the a/c unit and have to re-splice and re-connect the wires and might end up with a blank thermostat! my story.... Thanks for the troubleshooting video!!!
How do I check my fuse?
Thank you. The guy from NVEnergy was out here to do an Energy Audit for us (at least just the rooftop package unit). He sort of forgot to turn the power to the unit back on. Thanks to your video I was able to determine it wasn't the T-Stat. The red wire had 0 volts. So I checked up on the roof and found he left the switch off. Problem solved, we have heat!
Michael Selvage
Yeah but you know you should report that guy because you don't know how many people he did that too and it could be a little old lady that lives alone that can't climb up on the roof and we're done. Maybe having to pay all that money to someone who's dishonest and it's going to say they had to make a quick repair.
Just got my heat to work thank you so much!!!!!! Super easy...and I need easy being single and a first time homeowner!!
This is exactly the info I was looking for. Bad thermostat is what I suspected but now I know. Thanks very much
Thank you so much for putting this video out there. Was able to figure out what was wrong with the furnace. You are awesome!
Awesome, your video just help me figure out what was wrong with my downstair thermostat. Was about to call a HVAC company. Appreciate it !!
THANK YOU!! Saved me an $80 service call and who knows how much 'their' thermostat and time would have cost me. Yay! All fixed... all by myself. The house is no longer 88°F inside.
This video was a life-saver!! and Money-Saver!!
Thank you!
Thanks for posting videos because I live in Florida super hot weather snd my ac wend dead at 9 pm. No one could help me. I watched your video and I tested the thermostat taking the cover out and I put it back in and the ac start working again. I might need to replace the thermostat in the future.
Wow.. you are a really good man .. thank you for loading this video. . It help me fix my problem..
Thanks for the video. A lot of good information. Just one question... dont you get electrocuted touching the wires with the power on?
Thanks very much for sharing this info!!! It was our thermostat for sure!
Your awesome! I would've killed my pockets calling a pro to come out.... got ac for the kids now! Getting a new thermostat tomorrow
Thanks so much for the info. Indeed my thermostat is dead. Saved me a service call !!
Looked at you video the best I have seen you helped me out big time your the best. Thank you and keep it up .God bless.
Do you have to turn off the power first?
Thank you Chris!
You help me a lot! I was able to figure out that my thermostat is bad.
You video is great, just need a little more lightning, and a steady camera
Thanks for the information, it really helped! At least it saved me from running off to buy a thermostat.
very nice! but how bout the outside unit runs but no blow? same test?
Thanks for the video… Our thermostat stopped showing anything on the screen a few months ago … I noticed it had a battery compartment so I added some. The outside drain was clogged as well because the safe T float switch pipe. Sucked out all the backed up water and then the batteries worked. Fast forward to today … the drain pipe was clogged again but the thermostat was showing a display but it wouldn’t kick on. So I’m wondering if the thermostat is going out
What does it mean if the wire test doesn’t work to turn AC on? No fan came on at all.
Great video. This was very helpful. Thanks!
Thanks for the video. My thermostat screen started to mess up a few weeks before it went out then a few days ago the air wouldn't turn on. The guy who came to fix it was full of bs. He did something outside, told me to set it on 75 but somehow the inside went as low as 60 and it kept saying aux heat on which I thought was weird being that the air was on. The new day I didn't touch the thermostat, went out of town and came back to no air and it being 83 degrees. Anyways I figured it was the thermostat because the inside temperature was the only thing on the thermostat when it was set to cool and cool on would keep flashing (if it even showed up). Thank you so much for this video!!
good info... I have a RHred wire and a RC red wire they connected.. So RC is power to cooling and RH is my power?
I am having problems with the system not cooling enough. I raised the thermostat setting from 74 to 75, because the a/c will not shut down. It does show a 75 degree on both the setting and temp panels. Could I also have a bad thermostat?
I have to start Propane furnace with the SOP start up procedure , nothing happens.then hours later Furnace is running . When it reaches set Temp cuts off auto just fine . BUT ,when room temp Falls below set temp - Furnace never comes back on ?? So , If I understand this correctly ? Jump Red to White for furnace - if It comes on , then Thermo~ is bad . One thing , I don't think you want to connect Red to Yellow ? as there has to be a delay for the compressor ? Just curious . I'm no expert :-)
Audio is good on this vid as I can hear it just fine compared to other vids . Thanks for sharing ..
Sorry just came across you. I have R W Y G I touch the R &G R&Y an R&W wire together and nothing happens I’m in a apartment with the units on roof furnace inside
Thank you my ac works now.. Bad thermostat
good vid i subscribed....chris....i manually turn the fan on alot during summer days, 4 years old carrier so low miles...today...i lowered the air to 75 from 78, fan set to auto this time, but the 'cool' WORD on honeywell just blinked nothing, no blower came on...i eventually went inthe attic and turn the power off for 30 seconds...and turned it back on...cycled off,heating, cool...left it alone, set it to 75, and finally came on............wats my issue? thanks!
Great video
Hi the breaker energy has to be turned off to do that or not is not dangerous to receive any electricity ⚡️
Thank you
Thank you!!!!
What does it mean if the wires sparked while I tried to connect them? :(
Great information. Can I do the test...I have a package unit, fan or blower run continuously no heat or cool air when calling.and the only way to stop the fan is to cut the power. Please help!! Thanks in advance.
So if the fan doesn't run is it the wires that are bad?
this is a great video I knew how to do that but I wasn't sure but can you tell me where the red wire from t-stat connect to in side of the electric goodman furnace cuz my heater is not working... ac works ok but seems to me like who ever work on it before connect wires on the wrong side cuz the red wire from t-stat is connect it to blue wire that comes from furnace can you please help
Do I connect the yellow and red wire to the y on the thermostat to power on the ac
hey chris, you didn't mention it, if I test for a bad tsat according to your vid, do i have to replace the entire tsat unit including the backing plate or just the face???????
informative and easy to follow, thank you
Very informative video, thanks for sharing
Hey ..Thanks...Lovely video ..Are all houses in Texas (houston) wired up with these wire colors ? I hope u can answer me on time ...my electric heater , AC and fan all wot turn on
That is correct on most all system in the HVAC field.
Can any one give me an idea what could be wrong I turn my heater or A/C and work ok but after a couple sequences of On and Off the system won't come on any more until I reset the temperature then it will work again but it will repeat and do the same all over again, any ideas thank you.
Hi hello woke up this morning with my ac off and thermostat BLANK! FOUND YOUR VIDEO AND DID EXACTLY WHAT YOU DID BUT NONE OF THEM TURNED ON .....WHAT NEXT? What should I check now? Help!!!!
Same problem here!
claudia portillo he clearly said your thermostat is bad... buy a new thermostat
Thank you!
Just what I needed thank you!
Hey there. I have the same thermostat as in this video...the one that's on the wall already. I've changed the batteries with new Energizer and it won't display full numbers...only part. Any ideas?? I can't get it to kick on when on auto/cool but only when on fan/cool. Any ideas?!!!
Dude your an OG
I think u don't have to turn off the power?
What is the blue wire for?
Thanks alot man really informative video saved my ass
Thermostat click but AC not running. Honeywell RTH2300B sign shows COOL ON
(Cool on sign not flashing and no problem with heating.) Any suggestion,,
How come not getting shocked when you touched the 24volt wire?
RK why does the stat say it is set on 60 degrees but shows it is 70 in house
I will be installing a new wifi thermostat that needs the c wire. How can I check to see if my c wire is hooked up correctly at the air handler? Is there a way to test it like you tested the other wires? Thanks.
Thanks so much, just what I needed !!!!!!!!!!!!!!!!!!!!!!!
Great information ! Thank You
Will this test work for a thermostat that is blank or should I take a different alternative?
That is my problem!
My cover plate does not work I cant get the temp on the heater to go up the up arrow button does not work what should I do??
If your thermostat is bad and your AC goes on when you connect the R and Y wire, can’t you just keep them together so I can turn on the AC?
Yep
and thatks a lot for this great video now I'm sure how to test my thermostat
thanks for the help!
The ac nor the heat wants to turn on im guessing is the thermostat ? 🤷🏻♂️
Just replaced thermostat and the unit did not ever come back on. Reinstalled old one and nothing. Did your wire test and nothing. Help.
The guy was very helpful, but the camera was slightly out of focus and the hall was too dark.
guessing this system didnt have the reverse valve setup
What if you cut it on heat and hear it blow but feel no heat??
why does my furnace turns off after a few minutes that's been running...I replace the thermostat
What if it doesn't come on?
Thanks a lot! Nice video!
So he did that without shutting down the breaker and didn’t get shocked??
my thermostat isn't connected to wires and it's battery powered, should i be worried? and the wires are inside the wall but i do not dare to touch as i have no experience. Please help!
Katie
So Katie this was two years ago I'm assuming that nobody got back with you... no one responded ?
How are you not getting shocked when you touch the 24volt wire?
Nemat Heydary I think we have to turn off power first
But I don't need to turned off the breaker energy to do that
That was my issue. bad old thermastat
My light will not go off and the temp set temp blinks.
New thermastat but the. Compressor will not turn on
can i leave the wires alone and use some thing else to test my fan? R & G wires....like a jumper or paper clip?
Using a paperclip is way more dangerous than just using the cables.
Th8321wf1001 is not working
totaline digital thermostat just went blank !! I don't know what to check or do..
thanks very good
so what if when i test all these wires absolutely nothing happens at all. i tried red to yellow, red to white, green and red, green/red/yellow, green/red/white and nothing happens at all.
mine is blank. like the whole screen is blank on it. it's done it twice so far idk what to do
I connected my (c)wire in rc by mistake my ac unit is dead can u tell me whats the problem is
You either fried your T'stat or fried the 24volt side your transformer.If you have a transformer that has a reset button on it press the button.Take a digital meter and test the 2 wires coming from the 24volt side of the transformer and see if you're getting 24 volts . If you don't, you need a new transformer. If you do get 24volts , check to see if there is a fuse in line with the hot wire of the transformer on the 24volt side. Might be blown.
Letasoft speaker booster If yer on a laptop and its too quiet
Alvin,if your ac wont shut off I bet your contactors are stuck
my AC won't shut off, I have to shut it down with the brackers.
cool
Good instructions but please get another person to shoot the video
I have no red wire.
The Shadow Knows!