F.63 - EEPROM electronics defective

What does F.63 mean?

This fault indicates an internal defect in the boiler's electronics, specifically the EEPROM (Electrically Erasable Programmable Read-Only Memory).

• The boiler's internal electronics are defective.

Click steps to track your progress.

1. 1

   Press the reset button on the boiler display up to three times to try and clear the fault.

2. 2

   Contact customer service. This fault indicates a defect within the boiler's internal electronics.

3. 3

   A qualified technician will be required to diagnose and potentially replace the main PCB or other electronic components.