Code 208, 1012 - Operating pressure too low

What does 208, 1012 mean?

The boiler detects that its operating pressure is too low, below 0.2 bar. This is a blocking fault, meaning the system may temporarily shut down but could restart automatically once pressure is restored.

• Insufficient water in the heating system
• Leaking in the heating system
• Faulty expansion tank

Click steps to track your progress.

1. 1

   Fill the heating system with water until the pressure reaches approximately 2 bar.

2. 2

   Carefully check the heating system for any visible leaks.

3. 3

   Inspect the expansion tank for proper function. If unsure, consult a professional.