I have exatcly the same problem on my 11-month old Samsung Flexwash WV55M9600AW. 18:8J blinks along with delay end button, self clean button and smart connect button. Called Samsung Customer Service today and scheduled my service appointment for next Wednesday. Now, I am keeping my finger crossed with the hope this problem can be fixed. I will provide a follow up update and let you folks about the outcome of the Samsung's service.
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