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Samsung Dishwasher Error Code OC: Over-level water error

Applies to Samsung dishwashers that show OC or OE, 0C on the display.

Quick answer

There is too much water in the dishwasher. Samsung classifies this as a functional error.

What this code means

Samsung's manual classifies over-level as a functional error, not a user-fixable one: the prescribed response is to cut water and power and call service.

The manufacturer's checks, in order

  1. Close the water supply valve.
  2. Switch the dishwasher's circuit breaker off.
Where you stop

Close the water supply valve, switch the break off, and contact a Samsung service center — do not keep running the machine.

Parts involved in this fault

PartWhy it is involvedTypical price
Water inlet valveA valve that no longer shuts fully keeps filling past the set level.$25-$60Check priceaffiliate slot
Water level pressure switchThe switch/sensor that tells the machine when to stop filling.$15-$40Check priceaffiliate slot

Related Samsung dishwasher codes

1E — Clogged filter error (Waterwall models)4E — Water supply error5E — Drain errorLE — Leakage error3E — High temperature water supply errorHC — High temperature heater error

Source & provenance. The meaning, the checks and their order, and the service line on this page are restated from Samsung official support — “Samsung dishwasher is displaying an error code” (US) and “Common Samsung dishwasher error codes and their meaning” (CA) (source), read on 2026-11-06. No forum content, no invented repair steps, and nothing involving gas, refrigerant or mains wiring. Where the manufacturer says to request service, this page stops too.