5-10 min · 7 steps
CO2 High-Side / Gas Cooler Pressure
Transcritical CO2 rack running high-side pressure above the optimum target.
First step
Are all gas-cooler fans running and is the coil clean?
No — fan off or coil dirty
Yes — fans run, coil clean
This is a preview of the first step. Run the full interactive diagnostic free — it walks you all the way to the likely root cause.