has power to unit but nothing happens no lights nothing!
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Replacement parts for WHIRLPOOL DUC600XTPQ0 UNDERCOUNTER DISHWASHER | AppliancePartsPros.com
Double check the power where it is hooked up, usually with wire nuts.
Could be the thermal fuse blew (Item 6 in Section 2).
If the power is OK, I would get it fixed under warranty.
If you start messing with it they could turn around and void your warranty.