Maytag Dishwasher stuck on Heating Delay Asterisk

We have an old Maytag Dishwasher and have repaired the little boot for the soap dispenser because it was leaking down the door. The leaking stopped but now, when the cycle reaches the asterisk, the "heating delay" it just sits there and heats up until you move it past it. It sat there all night before we noticed it! Can anyone help.
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