55 — Electronic board not calibrated

What does 55 mean?

The boiler's electronic control board has not been properly calibrated, which is necessary for correct operation. This is usually an installer task.

• Missing or incorrect automatic calibration
• New board installation without calibration

Click steps to track your progress.

1. 1

   Press and hold down the Reset button for 2 seconds to try clearing the fault.

2. 2

   If you have specific instructions for activating automatic calibration, follow them carefully.

3. 3

   If the fault persists, contact an Authorised Service Centre for proper calibration.