Toshiba/Carrier U-Series Installation and Troubleshooting: L11 and E17 Error Codes
Installation of a heat recovery VRF system allows multi-zone heating and cooling. A heat recovery system allows you to heat…
Tag: Misc
The Magic Is In The Change
What is superheat? What is sub-cooling? In this article we will review what refrigeration is, how it works, and some…
Why Do Systems Freeze in Cooling Mode?
When troubleshooting any issue, it is always best to start with the most probable cause and work your way to…
Indoor & Outdoor Coil Cleaner
It’s that time again! Summertime is around the corner. Let’s get this ball rolling by checking out this coil cleaner…
Carrier/Bryant Service Tech App – Part 2
Last Month I demonstrated the Installation and basic usage of the app which included how to look up Literature scanning…
Voltage Drop on Contact Points
Most technicians know about checking capacitors under a load while a motor is running, but did you know that you…
Carrier/Bryant Service Tech App
When I instruct Nate Classes, I typically suggest the Carrier Service Tech App to techs that have not used it.…
Late Friday Night
It’s late one Friday night and you are on a call with a bad OFM (outdoor fan motor). The OFM…
Totaline Slime Prevention & Removal
TIC2021-0006 states that a slime has been detected in condensate lines, traps, drains and pans. From TIC: “The slime is…
Pressures Not Reading Right?
Have you ever put your gauges on a unit and notice that the pressure reading rises slowly, shows Zero but…