Blocking additional heat symbol — Additional heat is blocked

What does Blocking additional heat symbol mean?

This symbol indicates that the additional heat function, such as an immersion heater, is blocked. This may be due to the operating mode, scheduled blocking, or an alarm.

• Selected operating mode causes blocking
• Scheduled blocking is active
• An alarm has occurred

Click steps to track your progress.

1. 1

   Check the display for any accompanying alarm messages.

2. 2

   Review the selected operating mode.

3. 3

   Check if additional heat function is scheduled to be blocked.

4. 4

   If the problem continues, consult the manual or an installer.