What does it mean if the Sanitized light is blinking at the end of a cycle?
A blinking Sanitized light means the load was NOT properly sanitized. This occurs when the cycle was interrupted during the final rinse or the water heater is set too low. Set your water heater to 120°F (49°C) to ensure proper sanitization. (Page 11)
From the official Maytag W10401491A Top Control Dishwasher manual, page 11
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