Samsung Washers2017–present

Error Code 1C

Your washer can't tell how much water is inside

Moderate

Address soon - your appliance may not work properly

Also displayed as: 1C

What This Means

The hose where the water level sensor is located is damaged (punctured); The hose is clogged with foreign material; The hose is folded; Too much lubricant applied to the insertion part of the air hose; Hose engagement error (disengaged); Part fault (faulty internal soldering); Water level sensor terminal is disengaged; Main PBA fault; PBA connector terminal is not connected

What actually causes this:

The small rubber hose connected to the water level sensor got kinked, clogged, or came loose

First Thing to Check

Turn off the washer, wait a minute, and restart — 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 and contacts

  2. 2

    2. Check the water level sensor frequency — should be approximately 25.5 kHz with no load

  3. 3

    3. Connect the water level sensor and connector, then check the pink and orange color wires

  4. 4

    4. Verify an incorrect water level sensor is not installed — check the material code

  5. 5

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

  6. 6

    6. If the error persists after replacing the sensor, replace the main PBA

This Error Applies To

Samsung WF45M5 Series Washers (2017) (2017–present)

Service manual exact match: WF45M5500AP/A5Service manual exact match: WF45M5500AW/A5Service manual exact match: WF45M5500AZ/A5Service manual exact match: WF45M5100AW/A5

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