Samsung Washers2024–present

Error Code 1E

The washer can't tell how much water is in the tub

Moderate

Address soon - your appliance may not work properly

Also displayed as: Cool LED Flash

What This Means

Hose damaged (punctured); Hose clogged with foreign material; Hose folded; Too much lubricant on air hose; Hose engagement error (disengaged); Part fault (faulty internal soldering); Water level sensor terminal disengaged; Main PBA fault; PBA connector terminal not connected

What actually causes this:

The air tube connected to the water level sensor is kinked or disconnected

First Thing to Check

Unplug the washer, wait a minute, and try again

Parts Involved

Water Level SensorAir HoseMain PBA

How to Fix

  1. 1

    1. Check water level sensor terminal connections (Blue wire, Orange wire)

  2. 2

    2. Verify connector and sensor are connected

  3. 3

    3. Check part code — incorrect part causes abnormal operation

  4. 4

    4. Check water level sensor frequency: approx 26.4 KHz without water (Min 25.9 KHz)

  5. 5

    5. Check if water level sensor hose is broken

  6. 6

    6. If sensor is defective, replace it

  7. 7

    7. If problems found in all above, replace PBA

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung WA45M3100A Series Washers (2024) (2024–present)

Service manual exact match: WA45M3100AW/A4Service manual exact match: WA45N3050AW/A4

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