engineerman

HI I was wondering if you could help me. I have a Ideal Icos he15 boiler which has stopped working. It just display 0 even when there is a call for heagt or water. If I keep hold of reset it comes up with error hb, I read from one of your post in 2012 that this is user controls . can you help and confirm this please ?

Have a problem with isar 35he ,first problem loud bang on ignition,have replaced electrode,next the boiler goes out after a short while and lf flashes,have changed flame sensing electrode and ionisation probes.now i have aproblem with the fan makin a noise like a helicopter,have you ny ideas

Where about in liverpool are you from mate?