Kitchenaid KDTM604KPS1: Erratic beeping and display mode operation

General
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Please make sure to click on General above and select the correct appliance type first.

Brand: Kitchenaid
Model Number: KDTM604KPS1
Main Symptom: Display lights erratic and beeping
What happens & when: Randomly over past two weeks

Error Code (if any): No error code , but typically 3 lines blinking.
Parts or tests already tried: I have reset machine with hard power off, checked for water in plastic reservoir for and float switch created problems. door switch seems fine. It will also occasionally jump between modes such as normal wash and express wash, etc. Also will occasionally adjust time from default. Ex. Normal 2:45 wash changes to 3:08. I suspect a main control board issue.
Photos / video link:

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Hi sjharvey,

Here’s a tech sheet that should help you troubleshoot your dishwasher and identify what’s causing the issue. It could be a faulty control board, but following the diagnostic steps in this tech sheet will help narrow down the exact cause before replacing any parts.

tech-sheet-w11366142-revf.pdf (236.3 KB)