Your boiler has detected a temporary internal error and is attempting to self-correct or reset after a specific cycle.

Temporary fault code (Refer to section 7.10)

What causes this fault?

This fault occurs when the boiler's internal computer experiences a brief communication error or a glitch during its standard operating sequence. It is often triggered by a minor fluctuation in the power supply or a temporary sensor misalignment that the boiler tries to fix itself. In most cases, the system is simply performing a self-check to ensure all components are safe before continuing to provide heat.