Flashing Error Code on Display — General boiler fault

What does Flashing Error Code mean?

If a general fault occurs, an error code will flash on and off on the display of the BC10 basic controller. This indicates a problem that prevents the boiler from operating normally.

• Various internal boiler malfunctions
• Temporary system glitch or sensor error
• External conditions impacting boiler operation

Click steps to track your progress.

1. 1

   Locate and push the 'Reset' button (pos. 11 on the BC10 controller) for approximately 5 seconds.

2. 2

   Observe the display; if it shows a normal operation message (see Table 5), the fault has been cleared.

3. 3

   If the fault recurs and the error code begins flashing again, repeat the reset procedure two or three more times.

4. 4

   If the fault cannot be reset after multiple attempts, write down the specific flashing error message and contact your heating equipment servicing company.

5. 5

   In freezing weather, make sure the heating system is not damaged by frost, referring to safety instructions on page 18.