Alarm 294 - Recurring low pressure

What does 294 mean?

The Heat Pump has registered 5 repeated low-pressure alarms within 4 hours. This indicates a consistent problem with low refrigerant pressure in the system.

• Lack of refrigerant (possible leak).
• Blocked expansion valve.
• Disruption in the refrigerant circuit.

Click steps to track your progress.

1. 1

   Turn off the Heat Pump at the main power switch for a few minutes, then restart it.

2. 2

   Check the indoor module/control module display for any other related alarms or diagnostic messages.

3. 3

   If the alarm recurs frequently, it likely indicates a refrigerant leak or a fault in the refrigerant circuit. Contact a qualified NIBE service technician immediately.