Samsung Washers2024–present

Error Code 1C

The washer cannot correctly sense the water level inside the drum

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 air hose insertion part; 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 connected to the water level sensor got kinked, clogged, or popped off

First Thing to Check

Turn off the washer, wait 30 seconds, and restart — if the error returns, it needs service

Parts Involved

Water Level SensorPressure HoseMain PBA

How to Fix

  1. 1

    1. Check the water level sensor terminal connections and contacts

  2. 2

    2. Verify the pressure hose is not folded, clogged, or damaged

  3. 3

    3. Connect the water level sensor and connector, then check frequency — normal: approximately 25.5 kHz with no load

  4. 4

    4. Check the Pink Color Wire and Orange Color Wire at the sensor connector

  5. 5

    5. If an incorrect water level sensor is used, verify the material code matches the model

  6. 6

    6. If the water level sensor is faulty, replace it

  7. 7

    7. If the error persists after replacing the sensor, replace the Main PBA

This Error Applies To

Samsung WD53DBA900HZA1 Series Washers (2024) (2024–present)

Service manual exact match: WD53DBA900HZA1

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