Built-in dishwasher with the door open and racks pulled out

Generic photo: Castorly Stock · Pexels License

Dishwasher top rack not cleaning (bottom rack OK)

When only the upper rack is dirty, the water is not getting up there. Check the upper spray arm, its feed tube and seal, the filter, and on units that switch between arms, the diverter.

Single source ~30 min easyBrands: All

Before you start

Cut power at the breaker or unplug before opening panels

Diagnostic steps

Unlock all 5 steps with expected values

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OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

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