Red status lamp and alarm bell — Malfunction detected

What does Red status lamp and alarm bell mean?

When an alarm occurs, the status lamp on the heat pump changes from a continuous green to a continuous red. Additionally, an alarm bell symbol appears in the information window on the display. This indicates a malfunction that the heat pump cannot automatically resolve.

• Various internal malfunctions within the heat pump system.
• Specific problem details are usually provided in the display's info menu.

Click steps to track your progress.

1. 1

   Rotate the control knob and press the OK button on the display to view the specific alarm type.

2. 2

   Read the 'info / action' section on the display for details on what the alarm means and suggested corrective actions.

3. 3

   Select 'reset alarm' if available; observe if the status lamp turns green, indicating the problem is remedied.

4. 4

   If the red light remains or the alarm reappears, further investigation is needed.