I have a Bosch 1200 Exxcel washing machine ( 5 years old) . It has just started tripping out the house ring main after a few minutes of operation ( it does this on all programs). I have run it on a separate ring main to check the fault is not on the ring main and it still does the same. I have taken the top and back off and looked as best I can for loose wires or water leaking onto electrics but it all seems ok. Anyone any thoughts on what it might be ?