Error Code 1C

The washer cannot detect the correct water level inside the tub

Also displayed as: 1C

What This Means

Water level sensor hose is damaged or punctured; Water level sensor hose is clogged with foreign material; Water level sensor hose is folded or kinked; Too much lubricant applied to the air hose insertion point; Hose is disengaged from the sensor; Internal soldering fault on the water level sensor; Water level sensor terminal is disconnected; Main PBA fault; PBA connector terminal is not connected; Incorrect part used for the water level sensor

First Thing to Check

Parts Involved

How to Fix

1. 1

   1. Check the water level sensor terminal connections — ensure they are properly connected

2. 2

   2. Check the part code of the water level sensor after replacement to ensure the correct part is used, as an incorrect part may cause abnormal operation

3. 3

   3. Verify the water level sensor frequency — normal reading is approximately 26.4 kHz (minimum 25.9 kHz without water)

4. 4

   4. Check if the water level sensor hose is broken, folded, or clogged

5. 5

   5. If the water level sensor is defective, replace it (Checking Part: Blue Wire and Orange Wire)

6. 6

   6. If no problems were found for all of the above procedures, replace the main PBA as it may be defective