Bryant · Comfort Alert Diagnostic Module
The system's low-pressure safety switch has activated due to insufficient pressure in the refrigerant lines, stopping the compressor and fan. This often indicates a loss of refrigerant.
Click steps to track your progress.
Check and replace the air filter if it is dirty.
Ensure the indoor coil is clean and airflow is not obstructed.
Listen for any unusual noises from the unit.
Contact a qualified technician to check for refrigerant leaks and system charge.