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Error code reference

Viking Dishwasher Error Code NORMAL WASH + LED5

Cycle Error

Viking codesViking dishwasher codes

Cycle Error - Fill error during cycle operation.

First step from the service manual

Power 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 NORMAL WASH + LED5 means on a Viking dishwasher

The NORMAL WASH + LED5 error code on a Viking dishwasher indicates a fill error that occurred during an active wash cycle. This means the control detected that the tub did not reach the required water level within the expected timeframe during cycle operation. The fill system includes the water inlet valve, the float switch or water level sensor, the door latch circuit, and the associated wiring harness. When the machine calls for water and the level sensor fails to confirm adequate fill, the control board halts the cycle and signals this error to prevent running the pump dry or causing damage.

The most common triggers for this fault include a restricted or failed water inlet valve, low household water pressure, a stuck or faulty float switch, or a kinked supply line. The inlet valve is solenoid-operated and can fail mechanically due to debris blockage in the screen or electrically due to a failed solenoid coil. Water pressure below the minimum required threshold can also prevent the valve from opening fully, resulting in a slow or incomplete fill that times out before the sensor is satisfied.

The first recommended diagnostic step is a power reset: disconnect power to the unit for at least 30 seconds, then restore and run a test cycle. This clears any transient control fault and confirms whether the error is persistent or intermittent. If the code returns immediately on refill, proceed with inspecting the inlet valve screen for debris, checking the household supply stop valve for full opening, and testing the float switch for proper movement and electrical continuity.

Source: manufacturer service documentation.

Common causes of NORMAL WASH + LED5

  1. 01

    Clogged or failed water inlet valve

    Part replacement

    Debris can block the inlet valve screen, restricting water flow enough to cause a fill timeout. The valve solenoid can also fail electrically, preventing it from opening at all.

  2. 02

    Insufficient household water pressure

    Wiring / connection

    If the supply pressure at the dishwasher drops below the required minimum, the valve may open but flow too slowly to complete the fill in time. Check that the supply stop valve under the sink is fully open and that other fixtures show adequate pressure.

  3. 03

    Stuck or faulty float switch

    Part replacement

    The float assembly inside the tub rises with water level and signals the control when the fill is adequate. If the float is stuck in the raised position due to debris or a failed switch, the control receives a false signal that the tub is already full and cuts off the fill prematurely.

  4. 04

    Kinked or restricted water supply line

    Wiring / connection

    The braided supply hose connecting the stop valve to the inlet valve can kink, especially if the dishwasher was recently serviced or moved. Inspect the hose for any bends or compression that would limit flow.

  5. 05

    Control board or wiring fault

    Part replacement

    A fault in the wiring harness between the control board and the inlet valve or float switch can cause the fill circuit to behave incorrectly. Inspect connectors for corrosion, moisture damage, or loose terminals before condemning the control board.

See the test procedure for each cause

Frequently asked questions about NORMAL WASH + LED5

What does NORMAL WASH + LED5 mean on a Viking dishwasher?
This combination indicates a fill error that occurred during an active wash cycle. The dishwasher attempted to bring the tub water level up to the required point but did not succeed within the allotted time, causing the control to halt the cycle. The fault involves the fill system, which includes the water inlet valve, supply line, and water level sensing components.
How do I fix the NORMAL WASH + LED5 error on my Viking dishwasher?
Start by cutting power to the dishwasher for at least 30 seconds and then restoring it to perform a control reset. After the reset, run a short cycle and observe whether the machine fills properly. If the error returns, check that the supply stop valve is fully open, inspect the inlet valve screen for debris, and test the float switch for free movement and correct operation.
Will resetting the dishwasher clear the NORMAL WASH + LED5 error?
A power reset can clear the error if it was caused by a temporary glitch in the control system. However, if an underlying mechanical or electrical issue exists, such as a clogged inlet valve or a stuck float switch, the error will return as soon as the next fill cycle is attempted. A reset is a useful first step but is not a repair on its own.
Is it safe to keep using my Viking dishwasher when this error appears?
You should not continue running the dishwasher while this error is active. The machine has already stopped the cycle because it could not confirm adequate water in the tub, and forcing operation could run the wash pump without proper water, potentially damaging the pump. Address the fill issue before resuming normal use.
How much does it cost to repair a Viking dishwasher showing a fill error?
Repair costs depend on the specific failed component. Inlet valve replacement parts typically range from $30 to $90, while float switch assemblies are generally in the $15 to $50 range. Adding labor for a qualified appliance technician, total repair costs commonly fall between $100 and $250, though costs can be higher if the control board is involved.

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