Information message 333 — High temperature out

What does Information message 333 mean?

The heat pump has detected that the outgoing temperature has exceeded its maximum permitted level. This is a protective measure to prevent overheating within the system or components.

• Excessive heat generation from the heat pump.
• Insufficient heat dissipation due to blockages or pump issues.
• System settings for maximum temperature limits are set incorrectly or too low.
• Lack of demand for heated water.

Click steps to track your progress.

1. 1

   Check the system's temperature settings and limits for the outgoing water.

2. 2

   Verify that all circulation pumps are running and not blocked by air or debris.

3. 3

   Inspect for any blockages or restrictions in the pipework that could impede flow.

4. 4

   If possible, reduce the heating demand on the system.

5. 5

   Update the NIBE SMO 20 firmware to the latest version.