Samsung Dishwashers2018–present

Error Code OE

Too much water is building up inside the dishwasher

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: OE

What This Means

High-water float switch is broken; Water inlet valve is stuck open and cannot close; Main PBA has some problems

What actually causes this:

The water inlet valve is not closing properly, letting water continuously fill the machine

First Thing to Check

Turn off the dishwasher and shut off the water supply valve under the sink immediately

Parts Involved

High-Water Float SwitchWater Inlet ValveMain PBA

How to Fix

  1. 1

    1. Check the high-water float switch for proper operation

  2. 2

    2. Check if the water inlet valve closes properly when power is removed

  3. 3

    3. Inspect the float switch for debris preventing movement

  4. 4

    4. Check Main PBA relay controlling the water inlet valve

  5. 5

    5. If float switch and valve test normal, replace 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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