Kenmore Elite: Model 66576962K601.

Kenmore Elite dishwasher Smart Wash light blinking
Sanitize Blinking Light
Some Kenmore dishwashers have a sanitize feature; when this light blinks, it means the sanitization step failed because the hot water in the dishwasher did not achieve the desired temperature or the final rinse cycle was interrupted.

How to Reset Codes on a Kenmore Dishwasher - Hunker

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Press cancel. If the 4 hour delay is still lit, you have a shorted control panel.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/jeffrey_634abadf963e31e5

You may want to try:
Press a series of four buttons in quick succession. Press "Heated Dry," "Normal Wash," "Heated Dry" and "Normal Wash" to instruct your Kenmore dishwasher to run a short diagnostic test.
Wait for two minutes while your Kenmore dishwasher runs its diagnostic test.
Press the "Cancel/Drain" button once your dishwasher has completed its diagnostic test. This should reset your dishwasher control panel.
Check to make sure that there's no standing water in the bottom of your dishwasher. Standing water in your dishwasher may indicate that your dishwasher has stopped mid-cycle. You will need to press the "Cancel/Drain" button before you can reset your dishwasher control panel.

try turning breaker panel for that off, and back on. might just need to be reset. If that doesn't work, call the repair man

Sound like you have a bad control console, which will need to be replaced.

If you need further help, reach me via phone at https://www.6ya.com/expert/ronald_e6b9572cebe3ad27

Door latch.
Open and close the door to make sure the door latch is securely fastened

Hi-Temp Wash, Hi-Temp Rinse, or Sanitize options.
Some models have options that may require a water heating delay, such as Hi-Temp Wash, Hi-Temp Rinse, or Sanitize. Additional time may be required to heat the water to the proper temperature. The dishwasher will continue to circulate water during this heating delay but the timer will not advance until the proper temperature is reached

Hello,

follow the below instructions:

Unlock your Kenmore dishwasher control panel by pressing and holding the "Heated Dry" button for four seconds.

Press a series of four buttons in quick succession. Press "Heated Dry," "Normal Wash," "Heated Dry" and "Normal Wash" to instruct your Kenmore dishwasher to run a short diagnostic test

Wait for two minutes while your Kenmore dishwasher runs its diagnostic test.

Press the "Cancel/Drain" button once your dishwasher has completed its diagnostic test. This should reset your dishwasher control panel and stop the "Clean" light from blinking repeatedly.
Good luck.

IS THE WATER TURNED ON TO THE DISHWASHER

Look at your manual, usually available on net for reading or downloading. Blink lights are often used to code out a problem with various combinations and repetition rates to indicate trouble code number for look-up in manual.

Do you set your cycles by a manual timer or do you have a digital display?If a timer then it most likley bad or its stuck---if thats the case try wd40 behind it and see if it loosens,If your unit is digital then the control board is most likley bad,let me know.