Low or No Hot Water — Hot water supply is insufficient

What does Low hot water temperature / lack of hot water mean?

The hot water temperature is too low, or there is no hot water available. This can be caused by various operational settings or physical blockages.

• Closed or choked filling valve for the hot water heater.
• Heat pump is in an incorrect operating mode.
• Large hot water consumption exceeding current capacity.
• Too low hot water temperature setting.
• Too low or no operating prioritization of hot water.

Click steps to track your progress.

1. 1

   Check the filling valve for the hot water heater and ensure it is open.

2. 2

   Verify the heat pump's operating mode. If 'manual' is selected, change it to 'addition'.

3. 3

   If large hot water consumption is the issue, wait for the water to heat up. You can temporarily activate increased hot water capacity (temporary lux) in menu 2.1.

4. 4

   Go to menu 2.2 and select a higher comfort mode for hot water.

5. 5

   Access menu 4.9.1 and increase the time hot water is prioritized to ensure adequate heating.