Low hot water temperature or no hot water — Potential causes identified

Was bedeutet Low hot water temperature or lack of hot water ?

If you experience insufficient hot water, several factors could be the cause, ranging from simple valve settings to operational modes.

• External filling valve for hot water is closed
• Mixing valve set too low
• Incorrect operating mode selected in SMO 20
• High hot water consumption
• Hot water temperature setting too low
• Low hot water production with 'Smart Control' active
• Insufficient prioritization of hot water in system settings

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Ensure any externally mounted filling valve for hot water is open.

2. 2

   Check and adjust the mixing valve setting if one is installed.

3. 3

   Verify the SMO 20 operating mode in menu 4.2 and adjust 'stop additional heat' in menu 4.9.2 if in 'auto' mode, or select 'addition' if in 'manual' mode.

4. 4

   If consumption is high, wait for reheating or activate temporary increased hot water capacity in menu 2.1.

5. 5

   Increase the comfort mode setting in menu 2.2.

6. 6

   Adjust the hot water prioritization time in menu 4.9.1 if 'Smart Control' is active and usage has been low.