Samsung Washers2018–present

Error Code 1C

The washer cannot detect the water level properly

Moderate

Address soon - your appliance may not work properly

Also displayed as: 1C

What This Means

Water level sensor air hose is damaged or punctured; Air hose is clogged with foreign material; Air hose is folded or kinked; Too much lubricant applied to the air hose insertion part; Air hose is disengaged from the sensor; Water level sensor has faulty internal soldering; Water level sensor terminal is disengaged from connector; Main PBA fault

What actually causes this:

The small rubber hose connected to the water level sensor got kinked, cracked, or clogged with debris

First Thing to Check

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

Parts Involved

Water Level SensorAir HoseMain PBA

How to Fix

  1. 1

    1. Check the water level sensor terminal and make sure the connector is properly connected

  2. 2

    2. Inspect the air hose for damage, kinks, folds, or clogs — replace if damaged

  3. 3

    3. Verify sensor frequency: approximately 25.5 kHz with no load

  4. 4

    4. If the sensor is faulty, replace the water level sensor (Pink Wire, Orange Wire)

  5. 5

    5. If the error persists despite the above actions, replace the Main PBA

This Error Applies To

Samsung WF56H9100A Series Washers (2018) (2018–present)

Service manual exact match: WF56H9100AG/A2Service manual exact match: WF56H9100AW/A2Service manual exact match: WF56H9100AV/A2

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