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The 3 lights on the front of the DMT400 dishwasher are Progress Lights, indicating which portion of the cycle the dishwasher is in: Wash, Dry or Clean, indicating the cycle is over. See the attached image for further explanation. Thanks for the question! Ms. Samsung
Sorry, there was a problem. Please try again later.Clarify which 3 lights you're referring to. There are many blue lights on the front which indicate the cycle the dishwasher is currently set to perform. Maybe you're seeing the child lock indicators?
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