I was sat sitting here, laughing my socks off - well I would have if it was cool enough to wear some, when a light bulb went off in my brain!
Duh, who had put the iron on 3 hours ago?????? Nearly fell over in the rush to get to the ironing board...... phew! nothing burning. Then I remembered!!!! @*#" and other things! my irons turns itself off when it is left!