Whirlpool ADP4403 Home › Forums › Public Support Forums › Help And Support › Dishwasher Help Forum › Whirlpool ADP4403 This topic has 1 reply, 2 voices, and was last updated 19 years ago by admin. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts March 26, 2007 at 4:03 pm #26145 adminKeymaster Can anyone tell me what it means when the power indicator light flashes 3 times and then pauses then flashes 3 times again and so …… ❓ March 26, 2007 at 8:49 pm #208961 Penguin45Participant Re: Whirlpool ADP4403 Problem with heater circuits. Dead heater, bad/burnt wiring and the computer board can all give this fault. Power off, if investigating. Regards, Penguin45. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In