I have an E5 fault code on a Glow Worm 18HXi boiler?
I have an E5 fault code on a Glow Worm 18HXi boiler, not even Glow Worm know what it is...any one out there come across it befor, boiler fan starts, tries to go to full speed then cuts out with the E5 error...it's not the fan
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