BoilerFaultCodes
The most common Halstead faults
Your boiler has stopped working because it doesn't have enough water inside the system to operate safely.
Locate your boiler's filling loop, which is usually a silver braided hose connecting two pipes under the boiler.Open the valves on the filling loop to allow cold mains water into the system until the pressure gauge reads between 1 and 1.5 bar.Close the valves tightly and check the front panel to see if the blinking light has stopped.
Your boiler has stopped working because the water pressure inside the heating system has dropped too low to operate safely.
Locate the external filling loop, which is usually a silver flexible hose connected to two valves under the boiler.Gradually open the valves to allow water into the system until the pressure gauge reads between 1.0 and 1.5 bar.Close both valves tightly to stop the flow and ensure the boiler resets itself.
Your boiler has detected that hot water is not flowing through your heating system properly, so it has shut down to prevent overheating.
Check that all your radiator valves are fully open.Inspect the boiler pressure gauge to ensure it is between 1 and 1.5 bar, and top up if necessary using the filling loop.Bleed your radiators to remove any trapped air that might be blocking the flow.
Your boiler has failed to light a flame because it isn't receiving the necessary electricity or gas supply to start up.
Check if other gas appliances, like your hob, are working to ensure gas is reaching the house.Check your fuse box or consumer unit to see if a circuit breaker has tripped.Press the reset button on the boiler control panel once to see if it clears the error.
Your boiler is struggling to detect water moving through it, likely because the internal water pressure has dropped too low or a sensor is misreading the situation.
Check your boiler control panel to see if the pressure gauge is below 1.0 bar.If the pressure is low, locate the filling loop (usually a silver braided hose under the boiler) and open the valves to let water in until the needle reaches 1.5 bar.Once the pressure is in the green zone, close the valves tightly and restart the boiler.
Your boiler has stopped heating because it cannot detect enough water moving through the system to operate safely.
Check your boiler pressure gauge to see if it is below 1.0 bar.If the pressure is low, locate the filling loop under the boiler.Open the valves to allow water into the system until the gauge reads between 1.0 and 1.5 bar, then turn the valves off tightly.
Your boiler has no power and the screen is completely blank, meaning it cannot provide any heating or hot water until electrical flow is restored.
Check if other appliances or lights in your home are working to rule out a general power cut.Inspect your home's main consumer unit (fuse box) to see if a circuit breaker has tripped.Check the fused spur switch located next to your boiler; ensure it is turned on and try replacing the 3-amp fuse inside.
Your boiler has lost all power and the control panel is completely blank, meaning it cannot operate at all.
Check if your home's main electrical consumer unit (fuse box) has tripped.Ensure the boiler's isolation switch (usually a red-fused spur near the unit) is turned on.Check if the fuse inside the boiler's external plug or switch has blown and needs replacing.