F0 237 — Internal error

What does F0 237 mean?

An unspecified internal error has occurred within the boiler's system. This suggests a general malfunction of the control electronics.

• Control board malfunction.
• Temporary software glitch.
• Electrical interference.

Click steps to track your progress.

1. 1

   Reset the boiler by pressing the reset button on the control panel.

2. 2

   If the error persists, try power cycling the boiler by turning off the mains power for at least 30 seconds.

3. 3

   If the issue cannot be resolved, contact a qualified heating engineer for further diagnosis.