Viking Built-In Dishwasher Code Inlet Valve Error (4-4): fill valve reported

What Inlet Valve Error means

Inlet Valve Error is flash pattern 4-4 on Viking Professional VDB450 and Designer DDB325 built-in dishwashers, and it is listed in the service cycle only. The Pots/Pans light flashes four times and the Normal Wash light flashes four times. The control found a problem with the valve that lets water into the tub, so filling may be slow, incomplete or unwanted.

Common causes of Inlet Valve Error

Inlet valve not opening or closing properly
Valve connection loose or damaged
Control not driving the valve

✓ One safe check you can try

1. Check that the shut-off valve under the sink is fully open. 2. Hold START for four seconds to reset, then start a cycle and listen for water filling. 3. If the machine does not fill, or water keeps entering with the dishwasher off, close the shut-off valve and call us.

! Why to stop there

A valve that sticks open can flood the tub
The valve is at the water inlet and needs a meter to test
You get a written price first, and a 30-day warranty comes with the repair

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

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Other Dishwasher codes

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Inlet Valve ErrorInlet Valve Error questions

Why would this show only in the service cycle?

Some checks run only during the diagnostic routine. If you see the code in a normal wash, tell us when you call, because that helps us decide what to test first.

Is it the same as Fill Error?

No. Fill Error means the tub filled too slowly. Inlet Valve Error, pattern 4-4, points at the valve that lets water into the tub, not the speed of filling.

What if water keeps entering?

Close the shut-off valve under the sink and switch off the power. A valve that does not close can flood the kitchen, so do not leave the dishwasher plugged in and unattended.