Boiler Shorts for Installers | L2/F2 Gas Valve Checks | Ideal Logic

Got an L2 or F2 fault code on an Ideal Logic boiler? This video walks you through a step-by-step gas valve diagnostic process, including pressure, resistance and voltage checks to pinpoint the fault. What we cover: 0:05 – L2 / F2 fault overview 0:16 – Connecting a manometer (test point under boiler) 0:32 – Standing pressure check (up to 30 mbar) 0:46 – Blip test (checking for pressure drop) 1:08 – Diagnosing why the gas valve isn’t opening 1:22 – Resistance test (~114.5Ω at PCB connector X3) 2:41 – OL reading explained (harness break or faulty coil) 2:59 – Voltage test (24V DC from PCB) 3:21 – Identifying 24V DC vs 230–240V AC gas valves (blue vs black tab) 4:08 – Confirming PCB output voltage 4:39 – Fault diagnosis summary 4:48 – When to replace the gas valve Key values: Standing pressure: up to 30 mbar Gas valve resistance: ~114.5 ohms (can vary slightly depending on conditions) Gas valve voltage: 24V DC (blue tab models) Want to improve your fault-finding skills? Expert Academy training: https://bit.ly/4lzUPW2 If this helped, leave a comment with what fault-finding topics you'd like to see next 👇 Need support? Contact Ideal Customer Services: 01482 498660 #IdealLogic #GasValve #BoilerFaultFinding #GasEngineer #F2FaultCode #L2FaultCode #BoilerRepair #GasSafe #HeatingEngineer #BoilerDiagnostics