TRANE 💩 XR90 NO HEAT , BLOWS COLD AIR , EASY FIX, DIY ,

[@chrisced007]

I just want say thank you. This video saved me some $$$$. I replaced the larger limit switch. Well that worked for maybe a couple of days. I watched this video again and didn’t realize there was a 2nd limit switch. I pulled the old one off and cleaned the terminals since they were developed corrosion on them. Worked great after that. I did end up replacing that 2nd limit switch and replaced the 2 female connectors.

[@JJ-ck2mt]

My heat went out on my Trane XR90 last year and the HVAC tech cleaned one of the switches, but said it was "old" and might have to be replaced soon. Well, low-and-behold, the heat went out again. I checkout your video and I was able to have a better understanding of the situation. My tech is coming out to check again, and now I'll be able to communicate with him a lot better. Thanks!

[@asblanck]

*Used to supplement the up stairs when it gets hot outside this works very well and **Fastly.Cool** Also works good when the upstairs gets too hot in the Winter from the heater.*

[@Stackzz12]

THIS IS AWESOME I NEEDED THIS VIDEO AND MANAGED TO FIX MY HEATER…! Same exact issue and this video helped….

[@yamatosukara]

Thanks for this video! Really helped me understand how to fix my own unit which was not heating

[@modelfamily]

Good segment, about 6 month too late for me had the same issue on my XR90 in the fall of 2020, this would have saved me a lot of time figuring out the problem!

[@timothybaribeau2892]

Perfect fix for me - thank you!

[@Jim-Wade]

That first switch you showed is a rollout switch. It trips if flame blows back from the combustion chamber.

[@mbahcarrier1629]

Thank you for the knowledge, success for "DIY ....." ... Pekalongan, Central Java, Indonesia attended

[@Gandoff2000]

Does this problem stop the burner from lighting? I am heading to the attic to check mine. I thought the burner would still come on when the thermostat called for heat. But I know newer furnaces are more complex than the one I used to have.

[@realSamAndrew]

The setting on your multimeter that you used for continuity is actually diode check. You need to use the ohms setting for continuity.

[@jamesearly729]

Currently working on a Trane Standard Heater Mod # TUE060A936K2 that blows only cold air sometimes but lately has worked well even though nothing has been done to correct the situation. What could be the cause? Which part(s) would I most likely need to replace? How should I test the system to be more confident I have found the correct problem?

[@Simpletrader36]

Did you need to take it out to test it ?

[@Grrrnthumb]

No, these can be tested in place just fine. I'm sure he just took it out to show it to us more clearly.

[@modquad18]

You were about to say something about the red light on the control board, but got cut off. What were you going to say?

[@slavik97]

Red light can give you fault read out ,

[@slavv7970]

thank you

[@gregordiseth6651]

Your inducer fan is very noisy, most likely there is something caught in the fan blade and rubbing, like leaves or twigs (birds nest) or rodent activity

[@frankjgornickjr3676]

Sounds like you have problem with your inducer motor.

[@frankjgornickjr3676]

Your industrial motor should not be that loud sounds like it's wearing out.

[@randalhickman9379]

You clearly don’t know how a multimeter works. That’s not the continuity setting. That’s the diode setting.