The Compressor is Not Starting
With technology advancing more and more every day, the days of relays to contactor style control are behind us. Carrier…
Category: Technical Services
Using Bluetooth on 24/26 SEER Carrier Equipment
The most current 24 and 26 SEER Carrier GREENSPEED and Bryant EXTREME offer a few upgrades from the original versions.…
Pesky P201 Code
On 30RA to 30RB, this code can be a massive headache. With all the different options for these chillers can…
CODE 69: System Malfunction
You may have seen Code 69 while receiving a service call to a 25VNA8-24VNA9 2 thru 5 ton. Many times…
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…
My Comfort Link Board is Not Working
Comfort Link controls on Carrier equipment have been around large package units to Chillers for about 15 years. It is…
A2L Puron Advance (R 454b)
It’s coming soon. Below are the speculated dates of the release of Puron Advance, or R 454b in Carrier/Bryant equipment.…
The Dreaded P4 Code
Have you ever shown up to a service call on a Carrier/Bryant/WeatherMaker (Midea) ductless system and found it locked out…
I Need My Building Back Running Right NOW!
With the current world of getting parts and lead times being what they are, sometimes you must improvise to get…
“FAIL TO PRESSURE” On A 48JC04-06 (Alert A321)
So, its Friday afternoon at 4:00 PM. You get a call of no cooling on a 48/50JC 04-06 Ultra High…
