BoilerFaultCodesYour boiler has detected a temporary internal communication or processing error and is attempting to resolve itself.
This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.
Technical description: Temporary fault code (Refer to section 7.10)
What causes this fault?
This fault occurs when the boiler's internal computer experiences a momentary 'hiccup' or synchronization error between its electronic components. It is often caused by a minor fluctuation in the power supply or a temporary glitch in the control board's processing cycle. In most cases, the system is simply taking a moment to double-check its data before continuing to operate.
DIY fix possible
Wait for the boiler to complete its current operation and reset the code automaticallyTurn the mode selector knob to the 'OFF/RESET' position and then back to 'ON'Ensure there is a constant power supply to the unit without frequent switching
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