The 6 most common faults
Your boiler has become too hot and has automatically shut down to prevent damage or safety issues.
Check that all radiator valves are open to ensure water can flow through the system.Wait for the boiler to cool down completely.Press the reset button once to see if the overheat light clears.
Your boiler has switched itself off because it has become too hot to operate safely.
Ensure all radiator valves are fully openAllow the boiler to cool down for at least 30 minutesLocate the reset button on the control panel and press it firmly
Your boiler has switched itself off because it got too hot and needs a chance to cool down before it can restart safely.
Check that all radiator valves are fully openAllow the boiler to cool down for at least 20 minutesPress the reset button on the front of the control panel
Liquid waste produced by the boiler is not draining away properly, which has caused the system to switch itself off for safety.
Check the white plastic pipe exiting the boiler to see if it is blocked or disconnected.If the pipe runs outside, check if the end of the pipe is frozen and pour warm (not boiling) water over it to melt the ice.Ensure the internal condensate trap is not full of debris and can be cleared if accessible without opening the sealed boiler casing.
Your boiler is successfully starting a pilot flame, but it is failing to transition to the main burner to provide heat or hot water.
Full guide for Air Pressure O.K.Your boiler has switched itself off because the internal gases have become too hot, which could damage the heat exchanger or seals.
Full guide for Flue gas overheaton the Ideal Turbo2 24
Based on parts cited in our fault code database. Your engineer will confirm what's actually needed after diagnosis.
Call a Gas Safe engineer if…
- You can smell gas or see signs of a leak
- The Ideal shows an Emergency or High severity code
- The boiler keeps locking out after repeated resets
- You've tried the DIY checks and the fault hasn't cleared
- There's visible water leaking from the boiler
- The flame is yellow or orange instead of blue