Samsung Washers2024–present

Error Code 1C

The washer cannot detect the correct water level inside the tub

Moderate

Address soon - your appliance may not work properly

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

What actually causes this:

The small rubber hose connected to the water level sensor got kinked, cracked, or fell off

First Thing to Check

Try unplugging the washer for 60 seconds and restarting — if the error returns, it needs service

Parts Involved

Water Level SensorAir HoseMain PBA

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

This Error Applies To

Samsung WA45H7000A Series Washers (2024) (2024–present)

Service manual exact match: WA45H7000AW/A2Service manual exact match: WA45H7000AP/A2Service manual exact match: WA45M7050AW/A4

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