Information message 334 — High temperature in

What does Information message 334 mean?

The heat pump has detected that the incoming temperature has exceeded its maximum permitted level. This is a protective measure to prevent overheating within the unit from returning water.

• Return water temperature is too high.
• External heat sources contributing to the return water temperature.
• Circulation issues preventing proper heat exchange.
• System settings for maximum incoming temperature limits set too low.

Click steps to track your progress.

1. 1

   Check the system's settings to ensure correct operation parameters for return temperatures.

2. 2

   Verify all pumps and valves are functioning to ensure proper water circulation.

3. 3

   Inspect for any external factors contributing to the high incoming temperature.

4. 4

   Ensure adequate flow is being returned to the unit from the heating circuit.

5. 5

   Update the NIBE SMO 20 firmware to the latest version.