disconnect and insulate all the wires to the heating element and then retry.If it doesn't trip this suggest the element is to earth Common issue.10mm nut in center of element holds it in the tub
CK, November 2012
call an domestic appliance engineer,you have an earth fault,could be motor,or more likely the heater,do not turn it back on,its dangerous
mm, November 2012
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I can answer this question...
My WM5120W is tripping back to the mains fuse box?