BoilerFaultCodes
The most common Halstead faults
Your boiler has stopped because it failed to light or stay lit, which means you currently have no heating or hot water.
Turn the boiler temperature control dial to the '0' position.Wait for at least 30 seconds to allow the internal safety systems to reset.Follow the manufacturer's lighting instructions on the boiler panel to restart the unit.
Your boiler has stopped working for safety reasons and needs a manual reset to attempt to start up again.
Turn your boiler thermostat dial fully anti-clockwise to the reset position and hold it there for a few seconds.Turn the dial clockwise back to your desired temperature setting.Wait a few minutes to see if the boiler ignites and the flame icon appears.
Your boiler has detected that the water is getting too hot or is not circulating properly, causing it to shut down for safety.
Check that all radiator valves are fully open.Ensure the central heating system pressure is between 1.0 and 1.5 bar.Try resetting the boiler to see if the fault clears.
Your boiler has tried to light itself five times without success and has now locked out for safety.
Check that your gas emergency control valve is open and that other gas appliances are working.If you have a prepaid gas meter, ensure it has sufficient credit.Press the reset button on the front of the boiler once to restart the ignition sequence.
Your boiler is struggling to operate because the electrical supply is unstable or too low, preventing the flame from starting safely.
Check if other electrical appliances in your home are flickering or underperformingEnsure the boiler is plugged directly into its fused spur and not an extension leadReset the boiler by turning the control knob to the 'Reset' position for five seconds and then back to 'On'
Your boiler has stopped because it cannot detect enough water moving through the system to heat safely.
Check your boiler pressure gauge to ensure it is sitting between 1 and 1.5 bar.If the pressure is too low, use the filling loop to top up the system.Reset the boiler once the pressure is corrected.
Your boiler appears to have no power at all, meaning the control panel is blank and the unit will not start.
Check if the main boiler power switch or fused spur on the wall is turned on.Inspect your home's main consumer unit (fuse box) to see if a circuit breaker has tripped.Check if other appliances in the same area have power to rule out a local power cut.
Your boiler has stopped working because it failed to light the flame, which often happens due to a simple supply issue or a temporary glitch.
Full guide for Ace Ignition lockoutAvoid the next call-out bill
Monthly cover means no unexpected bills when your boiler breaks down.
Affiliate links. We may earn a commission at no extra cost to you.