Guided Diagnostics
Safety first · 5 steps

CO2 Gas Detection Alarm

The store or plant-room CO2 detector is alarming — handle it as a safety event first.

First step

Is the gas detector in its high/evacuate alarm state (as configured for this site) right now?

Yes — high alarm
No — low/warning level only

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.

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For qualified refrigeration technicians. Always follow manufacturer procedures and local codes. R-290 (propane) and other flammable refrigerants require A3-rated tools and safety practices.