Samsung Dishwashers2020–present

Error Code OC

Too much water detected inside the dishwasher

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: OC

What This Means

Case brake fails to detect the pulse; Water valve is out of order (not closing properly); Overflow sensor defective; Main PBA defect

What actually causes this:

The water inlet valve isn't closing properly, allowing water to slowly leak in between cycles

First Thing to Check

Turn off the dishwasher and the water supply valve under the sink, then check for standing water in the tub

Parts Involved

Overflow SensorWater Inlet ValveAssy Case BrakeMain PBA

How to Fix

  1. 1

    1. Check and reconnect overflow sensor connector

  2. 2

    2. Check if inlet valve operates normally — valve may be leaking water when it should be off

  3. 3

    3. Check if small amounts of water are supplied when inlet valve should be off — if so, remove foreign material from valve or replace it

  4. 4

    4. Check for water leakage on top of the case sensor — clean hose-sensor and case sensor

  5. 5

    5. If all components test normal, replace Main PBA

This Error Applies To

Samsung DW80K5050U Series Dishwashers (2020) (2020–present)

Service manual exact match: DW80K5050US/ACService manual exact match: DW80K5050UG/AAService manual exact match: DW80K5050UB/ACService manual exact match: DW80K5050UW/AC

Need more help with your Samsung dishwashers?