R
RedRose
Hi; I've got an Ideal icos HE15 and had a "LF" fault. I have removed the condensate, cleaned filled up with water and refitted. I have replace the Ignition Electrode and the Flame Sensing Electrode. There is no water in the blue tube. There is 235V AC at the Spark Generator and 205V DC at the Gas Valve. Please Help. I am an Engineer and struggling with what to test next. Cheers. RedRose.