Viking’s FDW100 is a fully integrated, panel-ready dishwasher that leans on a turbidity sensor to match wash intensity to how soiled a load actually is. Most of what brings this model in for service — clogged filters, slow drains — traces back to everyday usage rather than any flaw in how it’s built.

The FDW101 runs on the same wash and filtration foundation as the FDW100, minus the built-in water softener and with an added half-load cycle for smaller loads. Since the underlying drain, filter, and sensor hardware match across both variants, repairs are diagnosed the same way regardless of which one you have.

Opening the door to a puddle at the bottom is one of the most common dishwasher complaints — here’s what to check, in order.