BoilerFaultCodesYour boiler is working correctly but currently doesn't think you want any heating or hot water turned on.
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: No heat request.
What causes this fault?
This code appears when the boiler is powered on and ready to go, but it hasn't received a signal from your thermostat or programmer to start heating. It usually happens because the room temperature is already higher than your target setting, or because the internal clock is in an 'off' period. If your home feels cold and this code is showing, it typically means the communication between your thermostat and the boiler has been interrupted.
This is very common in the spring and autumn when fluctuates in outdoor temperature mean your house stays naturally warmer than the thermostat setting.
DIY fix possible
Check that your room thermostat is turned up higher than the current room temperature.Ensure your programmer or heating timer is set to 'On' or 'Auto'.Replace the batteries in your wireless wall thermostat if the screen is blank.
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