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Hotpoint Aquarius dishwasher fault?

Water not draining and four indicator lights flashing - Low salt indicator, Low rinse aid indicator, Washing and 3h delayed start indicator, Drying and 6h delayed start indicator
Lawrence Wise, September 2016
http://www.how-to-repair.com/help/hotpoint-ariston-dishwasher-error-codes-and-faults-diagnostic-fault-finding/

Try that, September 2016
link Click here to see other fixes for Hotpoint.