Error Code 1C
Your washer cannot detect the water level inside the drum.
Moderate
Address soon - your appliance may not work properly
Also displayed as: 1C
What This Means
Water level sensor hose is damaged or punctured; Hose is clogged with foreign material; Hose is folded or kinked; Too much lubricant applied to air hose insertion point; Hose disengaged from sensor; Water level sensor internal soldering fault; Water level sensor terminal disengaged; Main PBA fault; PBA connector terminal not connected
What actually causes this:
The small rubber hose that tells the washer how much water is inside got kinked, cracked, or clogged with gunk.
First Thing to Check
Look behind or underneath the washer for a small rubber tube — make sure it is not kinked, pinched, or disconnected.
Parts Involved
How to Fix
- 1
1. Check the water level sensor terminal connections and contacts
- 2
2. Verify the correct water level sensor is installed by checking the material code
- 3
3. Connect the water level sensor and connector, then measure the frequency — should read approximately 25.5 kHz with no load
- 4
4. Check the Pink and Orange color wires for continuity
- 5
5. Inspect the hose connected to the water level sensor for folds, cuts, or damage
- 6
6. If the sensor is faulty, replace it
- 7
7. If error persists after sensor replacement, replace the main PBA
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
Other Error Codes for WF45N5300AF
The small add-door on the front of your washer is not properly closed or locked.
Your washer has detected a water leak inside the machine.
Your washer's vibration sensor has a general fault.
Your washer's main computer board has crashed and cannot recover.
An internal communication module in your washer has lost its connection.
Your washer's door lock mechanism has a hardware fault.
Your washer's motor controller has lost communication with the main board.
Your washer is not getting enough water to start or continue the cycle.