Technical description
Temporary fault code (Refer to section 7.10)
What causes this fault?
This fault occurs when the boiler's internal computer receives an inconsistent or 'noisy' signal from its sensors, causing temporary confusion in its operation. The most common reason is a sensor that is starting to provide inaccurate readings or a minor electrical glitch within the main control board's communication circuit.
DIY fix possible
Press the reset button to clear the temporary errorMonitor the boiler for recurring faultsEnsure power supply to the boiler is stableContact a Gas Safe engineer if the code persists
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