Thank you for that information.
This is a bad main control board failure.
You would need to replace that to restore proper operation.
Given its age, I would likely replace the dishwasher, also this part is no longer stocked or available;-(
I wish I had better news for you on this , I really do.
In any case, I will stick with you until this is complete.
Please rate my service kindly.
Also it is the only way I am credited for my time and expertise with you.
Once you rate, I will be notified and will add your question to my priority list so you can reach me anytime until this problem is solved.
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Thank you and have a great day!