Intermittent Heat - Logical Elimination Diagnostics
Channel: HVACR Survival
Date: 2022-02-11

Carrier RTU not heating the office area. The hvac system was zoned and would not fail while there. If it won't act up you have to test all the normal things that possibly cause it. Check the heat exchanger, the burners, the ignitor, safety switch...At one point you have to make a educated diagnoses. Check Out the links below for tools I use and how to support the channel. Thanks for watching and please like!

— TOOLS I USE —
https://kit.co/hvacrsurvival
Magnetic solenoid tester.  https://amzn.to/32TGXlH

💥 Amazon Store:    https://www.amazon.com/ref=as_li_ss_tl?ie=UTF8&linkCode=ll2&tag=hvacrsurvival-20&linkId=b0f5dea79c921eccaee3509aa934895c

Fenix HL60R - Fenix-Store: https://bit.ly/3IsCyFp  Amazon: https://amzn.to/3IbI5Qk
Fenix HM60R - Fenix-Store: https://bit.ly/3FHcSTy  Amazon: https://amzn.to/3fGXjkb
Fenix HM61R - Fenix-Store: https://bit.ly/3tLDrEE  Amazon: https://amzn.to/33pwSgr
Fenix PD35 TAC - Fenix-Store: \ https://bit.ly/33Rmu0L  Amazon: https://amzn.to/3rr8UsW
Fenix PD35 V3.0 - Fenix-Store: https://bit.ly/3GR1gi9  Amazon: https://amzn.to/3FOXLaO
Fenix UC35 V2.0 - Fenix-Store: https://bit.ly/3tMw4gw  Amazon: https://amzn.to/3tCLiVj
Clip-On Kydex Flashlight Holster for Fenix PD35 - https://amzn.to/3rnB741

— CONTACT INFO —
hvacrsurvival@gmail.com

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Facebook - https://www.facebook.com/groups/hvacrsurvival

— SUPPORT THE CHANNEL —
https://www.paypal.me/RickDirmeyer

Warning Notice Disclaimer - Video content listed on the channel HVAC*R Survival is for entertainment purposes only and not meant to be a substitute for not contacting a competent HVAC/R PROFESSIONAL.  Do not attempt anything said or seen on my videos, The tasks that are shown are dangerous and deadly without proper training. 

This page contains affiliate links, which means that if you click on the link and make a purchase, I’ll receive a small commission.   HVAC/R Survival is a participant in the Fenix-Store & Amazon Services LLC Associates Program.

0:00 No heat on a Carrier RTU with zone system
0:35 Error code #7 Roll Out Switch Open
1:40 Checking the heat exchanger for damage
2:05 Had this error recently on another unit
3:45 Cycling the heat trying to catch the problem
5:10 Cleaning the burners and control area
9:00 Still not problems found for sure...Keep testing!
10:45 Returned with a new limit and retesting 
11:27 Teardown of the limit switch, I think we found it
12:28 LIKE LIKE LIKE Subscribe. CHECK LINKS BELOW! 

#hvacrsurvival #hvaclife #hvacservice #hvacr #refrigeration #troubleshooting