Some days I don't know why I bother - I answered this about 90 minutes ago - I suggested a cold wash as a diagnostic.
If the dryer is tripping the RCD it may well be the same fault but you do not say if that's happening - if the dryer does not trip the RCD then it's a different fault entirely.
If the machine is a year old it very probably has unexpired warranty - contact the vendor.
Good Luck...
March 2016
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