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Is your Ideal Isar boiler not working? Below is trouble shooting advice for guidance. If you require an Ideal boiler repair then please give us a call and we’ll send you a Gas Safe service engineer to repair your boiler.
Isar Boiler Fault Codes
Zanussi ZCG662 User Manual; Belling BE807 Integrated Fridge Freezer Installation and User Instructions. / Instructions & Manuals / Ideal Isar HE24, HE30, HE35 Installation and Servicing Guide. Instructions & Manuals; Ideal Isar HE24, HE30, HE35 Installation and Servicing Guide. Mar 24, 2013 More on going issues with my boiler this time it failed to start and then errors with L F. Had to press the reset button and it eventually started.
Boiler is not working for central heating or hot water
- Check there is power to the boiler – switch (A) in the ON position and ‘0 ’ displayed on the controls
- If ‘0 ’ not displayed then not a boiler fault – contact your installer/service company
Boiler is not working for central heating or hot water but attempts to fire by going through 3 ignition attempts and the display shows ‘L : F’ (flashing).
- Press reset button (D) for 2 seconds to repeat ignition sequence
- Check gas supply (try another appliance – cooker/fire etc.) – If no gas supply then not a boiler fault – contact gas supplier
- Check condensate pipe is not blocked or frozen. If blocked, clear blockage – if not possible to check contact your installer
Boiler is not working for central heating or hot water and the display shows ‘L:A’ (flashing).
- Press reset button (D) for 2 seconds, the boiler should then re-light. If fault recurs this indicates an overheat condition. The boiler should be turned off and your installer contacted
- Check if ALL radiators have thermostatic radiator valves fitted. If they have book a boiler repair
Boiler is not working for central heating or hot water and the display shows ‘H:A’ (flashing).
- Check if ALL radiators have thermostatic radiator valves fitted. If they have book a boiler repair
Boiler is not working for central heating or hot water and the display shows ‘H:A’ (flashing).
- Check pressure gauge on boiler shows a minimum of 1 bar. If not re-pressurise via the filling loop to 1 bar (if unsure contact your installer), turn off the tap on the filling loop and turn the on/ off switch (A) off and then back on again to reset the boiler. If unable to do so or if the pressure continues to drop after filling then book a boiler repair
- Check if ALL radiators have thermostatic radiator valves fitted. If they have then book a boiler repair
Boiler will not fire for central heating.
- Check external programmer is set to an ‘ON’ period
- If already set to an ‘ON’ period then check the programmer by setting to continuous if boiler then fires – Contact your installer to rectify the programmer
- Check room thermostat by turning fully up, If ‘0’ is not displayed on the user controls then book a boiler repair
Boiler comes on for domestic hot water without a tap being opened – the display shows ‘D’.
- Check for dripping / dribbling taps or showers – turn fully off
- Check for leaks from the domestic hot water pipework and if found contact your installer
Ideal Isar He 30 User Manual 2016
Boiler fires occasionally for approx. 2 minutes – the display shows ‘t’.
Ideal Isar He30 Installation Manual
- This is a normal function of the boiler to periodically pre heat the plate heat exchanger to optimise delivery time for domestic hot water to taps or showers
Download a copy from our library, if your boiler is not listed Contact us and we will do our best to help you.