Error Code 4C
The washer is not filling with water
Moderate
Address soon - your appliance may not work properly
Also displayed as: 4C
What This Means
Foreign material in the water supply valve; Water supply valve terminal not connected (wire disconnected); Warm water and rinse connectors wrongly connected to each other; PCB terminal from drain hose to detergent drawer not connected; Pressure hose folded or torn; Water supply hoses kinked; Cold and hot water supply hoses not connected correctly
What actually causes this:
The water supply faucet behind the washer is turned off, or the inlet hoses are kinked
First Thing to Check
Check that both hot and cold water faucets behind the washer are fully open
Parts Involved
How to Fix
- 1
1. Check that the water supply faucet is fully open
- 2
2. Verify water supply hoses are not kinked or bent
- 3
3. Check inlet valve connector terminal connections
- 4
4. Verify warm water and rinse connectors are not swapped
- 5
5. Check if PCB terminal from drain hose to detergent drawer is connected
- 6
6. Inspect pressure hose for folds or tears
- 7
7. Verify cold and hot water hoses are connected to correct inlets
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung WF45A6400A Series Washers (2024) (2024–present)
Related Error Codes
A button on the control panel is stuck or pressed in
The washer thinks the door is open
The door lock mechanism is not engaging properly
The small add-door on the front of the washer is open
The small add-door lock motor is not working correctly
The water heater inside the washer is not working right or the washer is overheating
The washer overheated and shut itself off for safety
The washer is filling with too much water and cannot stop