Alarm 212 (or 156, 80) Low lp cooling — Poor flow or low pressure

What does Low lp cooling 212 mean?

This alarm occurs if the system experiences low low-pressure conditions 5 times within 4 hours, indicating a problem with refrigerant flow or pressure.

• Poor flow in the system.
• Significant wind effect.
• Blockage in the refrigerant circuit (low pressure side).
• Lack of refrigerant.

Click steps to track your progress.

1. 1

   Check the indoor module/control module display for specific action instructions.

2. 2

   Inspect the outdoor unit for any blockages like leaves, snow, or ice that might impede airflow.

3. 3

   Ensure there is no significant wind directly affecting the outdoor unit (though usually environmental, can worsen flow issues).

4. 4

   If the alarm persists, contact a qualified technician to check refrigerant levels and system flow.