i just switched my bottle bank machine on and it was working fine, i put 3 50p's in, and then put a £ coin in, and it started shouting hey check it out at me, on the display it says strim then a 30 second clock counting down, when the time is up, it just starts as normal, any idea's why it is doin this, and how i could sort it,

any help would be greatly apreciated,

chris