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Error code reference

Viking Dishwasher Error Code 2-4

High level error-pressure sensor indicates a water level higher than the high level threshold.

Viking codesViking dishwasher codes
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What the 2-4 error code actually means

Your Viking dishwasher has detected that the water level inside is higher than it should be, and it stopped running to prevent a potential overflow. This could mean there is actually too much water in the bottom of the machine, or it could be caused by a faulty sensor or control board sending a false alarm. Checking that your dishes are properly loaded and inspecting the bottom of the tub for standing water are good first steps.

Diagnostic procedure

The full 2-4 procedure

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1
First diagnostic step
Check for excess water in sump (check that items are secured in rack); check defective pressure sensor; check defective main control.
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Most common causes of 2-4

Ranked by how often they cause this code
  1. 1Excess water in the sump
  2. 2Defective pressure sensor
  3. 3Items blocking spray arms or sump area
  4. 4Defective main control board

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Questions people ask about 2-4

What does 2-4 mean on a Viking dishwasher?
Error code 2-4 on a Viking dishwasher means the pressure sensor has detected a water level inside the tub that exceeds the high level threshold. The appliance stops operation when this code appears to prevent potential overflow. The cause can be actual excess water in the sump, a faulty pressure sensor, or a defective main control board.
Will resetting the dishwasher clear error code 2-4?
Resetting the dishwasher may temporarily clear the 2-4 code, but the error will return if the underlying cause has not been resolved. If excess water or a blocked sump was the issue and has been corrected, a reset should allow normal operation. If the fault is caused by a defective pressure sensor or control board, the code will reappear once the next cycle begins.
How much does it cost to repair a Viking dishwasher showing error code 2-4?
Repair costs vary depending on the root cause. If the fix is simply repositioning items in the rack, there is no parts cost involved. Replacing a faulty pressure sensor typically runs in the range of $50 to $150 for the part, plus any labor charges. A main control board replacement is the most expensive scenario, with parts alone often ranging from $150 to $400 or more depending on the model.
How do I fix error code 2-4 on a Viking dishwasher?
Start by opening the dishwasher and checking the sump area at the bottom of the tub for standing water. Make sure all dishes, pots, and utensils are properly secured in the racks and not blocking the spray arms or sump. If no physical issue is found, the pressure sensor should be tested and replaced if defective. If the sensor is functioning correctly, the main control board may need to be inspected or replaced.
Is it safe to use my Viking dishwasher when error code 2-4 is showing?
It is not recommended to continue running the dishwasher while the 2-4 code is active. This code is designed to stop the appliance specifically to prevent water from overflowing, and operating it with an unresolved high-level fault could result in water damage to the appliance or surrounding cabinetry. Diagnose and correct the cause before resuming use.

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