E8 error according to the manual of my Blv1 dishwasher is "Alternate Washing System Malfunction".
According to the manual you should stop the program, switch of the appliance. Turn it back on, reprogram and try again. If the problem persist contact after-sales.
Hope this helps.
From own experience contacting after-sales will result in them wanting to send over a mechanic and charging a fortune to mend your dishwasher.
Oly
May 2011
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