0.9 BAR — Low operating pressure

What does 0.9 BAR mean?

This display shows the current operating pressure of the device. A reading of 0.9 BAR indicates that the water pressure in the heating system is low.

• Insufficient water in the heating system.
• Leakage in the heating system.

Click steps to track your progress.

1. 1

   Check the system's pressure gauge to confirm the low pressure reading.

2. 2

   Refer to the 'Fill the heating system' section on page 18 of the manual to add water.

3. 3

   If the pressure drops repeatedly, contact a qualified technician to check for leaks.