steven posted an answer for this Honeywell Lennox Armstrong Ducane Control Circuit Board 1097-502-i 1097-83-503a:
"could be a bad earth or faulty switch"
steven posted an answer for this Sewing Machines:
"try to google the make and model of the sewing machine"
steven posted a question about Electrolux Heating & Cooling:
"switched on and off at mains tried adjusting temperature changed batteries still just..."