Alarm 294 (or 344, 72) Recurring low pressure — Repeated low pressure alarms

What does Recurring low pressure 294 mean?

This alarm indicates 5 repeated low pressure alarms within 4 hours, suggesting a lack of refrigerant or a blocked expansion valve.

• Lack of refrigerant.
• Blocked expansion valve.

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 obstructions like leaves, snow, or ice that might affect airflow or heat exchange.

3. 3

   If the alarm persists, contact a qualified technician to check refrigerant levels and the expansion valve.