Error Code 1C
The washer can't tell how much water is inside
Moderate
Address soon - your appliance may not work properly
Also displayed as: 1C
What This Means
Pressure hose damaged (punctured); Pressure hose clogged with foreign material; Pressure hose folded; Too much lubricant applied to the hose insertion part of the air oose; Hose engagement error (disengaged); Water level sensor internal fault (faulty soldering); Water level sensor terminal disengaged; Main PBA fault
What actually causes this:
The small rubber hose that senses water level got kinked, clogged, or cracked
First Thing to Check
Make sure the washer is level and restart — if the error returns, it needs service
Parts Involved
How to Fix
- 1
1. Check the water level sensor terminal connections and contacts (Pink and Orange color wires)
- 2
2. Check the frequency — should be approximately 25.5 KHz with no load
- 3
3. Verify an incorrect water level sensor is not installed — check the material code
- 4
4. Inspect the pressure hose for folds, holes, or clogs
- 5
5. If the water level sensor is faulty, replace it
- 6
6. If the sensor checks out, inspect and replace the Main PBA
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