WarningCO₂ Transcritical
CO2 Pressure Transducer / Sensor Fault
CO2 control leans heavily on accurate high-side, receiver, and suction transducers. A drifting or failed transducer makes the controller drive valves and compressors to the wrong targets, mimicking many other faults.
Symptoms
- Displayed pressure disagrees with a calibrated gauge
- HP valve, FGB, or compressor staging behaving erratically
- Sensor reading pinned high/low or fluctuating
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