It can only come off if the cable isn't correctly adjusted. Replace the belt and adjust the cable accordingly.
Don't bother ringing consumer care- complete waste of time and effort. Might as well walk into McDonalds and as them as the answer will be the same.
pleasant, September 2010
Contact Suffolk Punch Consumer Care on 08447360108 in the first instance. You may require a new drive belt or pulley, which you can purchase from our website below.