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Error code reference

Viking Dishwasher Error Code Low Level Error

Water level in the tub is below the minimum required level.

Viking codesViking dishwasher codes

Water level in the tub is below the minimum required level.

First step from the service manual

Reset and test.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What Low Level Error means on a Viking dishwasher

The Low Level Error on a Viking dishwasher indicates that the water level inside the tub has not reached the minimum threshold required to proceed with normal wash operation. The dishwasher's control system monitors water level using a pressure switch or float assembly, and when this sensor does not detect sufficient water within the expected fill time, it triggers the low level fault and halts the cycle to prevent the wash pump from running dry.

The most common cause of this error is a restricted or kinked water supply line that limits flow into the tub. A faulty water inlet valve is also a frequent culprit, as a valve that fails to open fully or becomes clogged with mineral deposits will result in slow or incomplete fill. In some cases, the pressure switch or float switch responsible for detecting water level may itself be stuck or malfunctioning, causing the control board to receive an incorrect low-water signal even when the tub is filling properly.

Before replacing components, a reset and test cycle should be performed to rule out a transient control fault. Check that the water supply shutoff valve is fully open and that household water pressure is adequate. If the unit fails to fill correctly after a reset, systematic testing of the inlet valve, supply line, and water level sensing components is needed to pinpoint the fault.

Source: manufacturer service documentation.

Common causes of Low Level Error

  1. 01

    Restricted or closed water supply

    Wiring / connection

    If the shutoff valve under the sink is partially closed or the supply line is kinked, water flow into the tub will be insufficient. Check that the valve is fully open and the supply hose has no bends or obstructions.

  2. 02

    Faulty or clogged water inlet valve

    Part replacement

    The inlet valve controls water entry into the tub and can fail mechanically or become blocked with mineral scale, limiting fill volume. If the valve does not open fully or at all, the tub will not reach the required level.

  3. 03

    Malfunctioning float switch or pressure switch

    Part replacement

    The water level sensing component, either a mechanical float or a pressure switch, can stick or fail and report a low level condition to the control board even when the tub is filling correctly. Inspect the float for debris that may be holding it in the down position.

  4. 04

    Low household water pressure

    Wiring / connection

    If incoming water pressure is too low, the tub may not fill within the allotted time and the control will register a low level fault. Test water pressure at the supply line to confirm it meets the unit's requirements.

  5. 05

    Control board fault

    Wiring / connection

    In some cases, a transient error in the control board can cause a false low level signal. Performing a full reset clears temporary faults and is the recommended first diagnostic step before pursuing component replacement.

See the test procedure for each cause

Frequently asked questions about Low Level Error

What does Low Level Error mean on a Viking dishwasher?
The Low Level Error means the dishwasher's control system detected that water inside the tub did not reach the minimum required level during the fill stage. The dishwasher stops the cycle to prevent the wash pump from operating without adequate water. This error points to a problem with water supply, the inlet valve, or the water level sensing components.
Will resetting my Viking dishwasher clear the Low Level Error?
A reset is the recommended first step and can clear the error if it was caused by a temporary control glitch. If the underlying cause is a physical problem such as a restricted supply line or a failed inlet valve, the error will return after the reset once the unit attempts to fill again. Always test a full cycle after resetting to confirm the fault does not reappear.
How do I fix the Low Level Error on my Viking dishwasher?
Start by resetting the dishwasher and running a test cycle. Confirm the water supply shutoff valve is fully open and the supply hose is not kinked. If the unit still fails to fill, inspect the inlet valve for mineral buildup or mechanical failure, and check the float switch or pressure switch for debris or damage. Replace whichever component is found to be faulty.
Is it safe to keep using my Viking dishwasher when it shows a Low Level Error?
You should not attempt to bypass or ignore this error. Running the wash pump without adequate water can cause the pump motor to overheat and fail, leading to more costly repairs. The dishwasher's control system stops the cycle specifically to prevent this type of damage, so the error should be diagnosed and resolved before normal use continues.
How much does it cost to repair a Viking dishwasher Low Level Error?
Repair costs depend on the root cause. If the fix is simply adjusting the supply valve or clearing a kinked hose, there is no parts cost and minimal labor. Replacing a water inlet valve typically runs in the range of $100 to $250 including parts and labor. A float switch or pressure switch replacement is generally in a similar range, while a control board replacement, if needed, can cost significantly more depending on the specific model.

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