Samsung Dishwashers2018–present

Error Code 4E

The dishwasher is not getting any water

Moderate

Address soon - your appliance may not work properly

Also displayed as: 4E

What This Means

Water supply pressure is too low; Water supply valve is closed; Non-water switch is broken; Wash pump doesn't work; Main PBA has a problem

What actually causes this:

The water supply valve under the sink is closed, or the water pressure in your home is too low

First Thing to Check

Make sure the water supply valve under your kitchen sink is fully open

Parts Involved

Water Inlet ValveNon-water SwitchWash PumpMain PBA

How to Fix

  1. 1

    1. Check that the water supply valve is fully open

  2. 2

    2. Check water supply pressure — must be 20 to 120 psi

  3. 3

    3. Check the non-water switch for proper operation

  4. 4

    4. Check the wash pump connections and operation

  5. 5

    5. If all components test normal, replace the Main PBA

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung DW80N3030U Series Dishwashers (2018) (2018–present)

Service manual exact match: DW80N3030US/AAService manual exact match: DW80N3030UB/AAService manual exact match: DW80N3030UW/AA

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