Error Code OC
The washer is filling with too much water and cannot stop
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: OC
What This Means
Water level sensor not detecting properly — terminal out of place; Drain hose clogged (injection error at a narrow section) preventing water level detection; Freezing in winter season; Foreign material in water supply valve causing continuous water supply; Water level sensor degraded
What actually causes this:
The water level sensor hose is kinked or damaged, so the washer does not know when to stop filling
First Thing to Check
Turn off the washer and the water supply faucets behind it immediately
Parts Involved
How to Fix
- 1
1. If the water level sensor has a functional error, replace it
- 2
2. Check the hose connected to the water level sensor — look for tears or holes
- 3
3. Check whether the hose is folded, cut, or damaged
- 4
4. In winter, check for frozen hoses — use a hair dryer to defrost
- 5
5. Consider relocating the unit to a warmer location if freezing is recurrent
Other Error Codes for WF45A6400AC
A button on the control panel is stuck or pressed in
The washer thinks the door is open
The small add-door on the front of the washer is open
The small add-door lock motor is not working correctly
The washer overheated and shut itself off for safety
The washer is not filling with water
The washer is not getting the right amount of electrical power
The washer is not getting the right amount of electrical power