How do I fix error code OC on a Samsung washers?

1. undefined: 1. Check if the water level sensor has a functional error — if so, replace it 2. undefined: 2. Check the hose connected to the water level sensor — check whether the hose is folded, cut, torn, or has a hole 3. undefined: 3. Check whether the hose is damaged or frozen 4. undefined: 4. If the water valve has a functional error, replace the part 5. undefined: 5. Check if water supply is continuing (possible valve stuck open) 6. undefined: 6. Use hair dryer to defrost hose in winter season — consider relocating the unit to a warmer location

Samsung Washers2024–present

Error Code OC

Too much water is filling the washer because it cannot detect the water level

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: OC (upper) / OC (lower)

What This Means

Water is supplied continually because water level detection does not work; Drain hose is clogged causing injection error at a narrow section; Water level detection does not work and water is supplied continually; Water is supplied continually because of freezing or foreign material in the water supply valve; Water level sensor is degraded

What actually causes this:

The water level sensor hose got disconnected or kinked, so the washer keeps filling without knowing when to stop

First Thing to Check

Turn off the washer and the water faucet behind it immediately to stop the water flow

Parts Involved

Water Level SensorWater Supply ValveAir HoseDrain Hose

How to Fix

1
1. Check if the water level sensor has a functional error — if so, replace it
2
2. Check the hose connected to the water level sensor — check whether the hose is folded, cut, torn, or has a hole
3
3. Check whether the hose is damaged or frozen
4
4. If the water valve has a functional error, replace the part
5
5. Check if water supply is continuing (possible valve stuck open)
6
6. Use hair dryer to defrost hose in winter season — consider relocating the unit to a warmer location