Samsung Washers2024–present

Error Code LO

The washer's lid won't unlock after the cycle

Moderate

Address soon - your appliance may not work properly

Also displayed as: LO

What This Means

Door lock switch terminal connected incorrectly; Door lock switch terminal is broken

What actually causes this:

The door lock mechanism is stuck or the lock motor has failed

First Thing to Check

Wait 3 minutes after the cycle ends — the lid locks during spin and should unlock automatically

Parts Involved

Door Lock SwitchDoor Lock MotorMain PBA

How to Fix

  1. 1

    1. Check the Door-Lock SW terminal connections and contacts

  2. 2

    2. In state of Door Unlock, check Motor — checking part: Black-Brown Wire, resistance: 33 ohms to 46 ohms

  3. 3

    3. In state of Door Unlock, check Motor resistance and Door Lock/Unlock Contact resistance

  4. 4

    4. Check Lock contact: checking part White-Red Wire Lock, resistance approx. 0.2 ohms; Unlock: checking part White-Blue Wire, resistance approx. 0.2 ohms

This Error Applies To

Samsung WA5471ABP Series Washers (2024) (2024–present)

Service manual exact match: WA5471ABP/XAAService manual exact match: WA5471ABW/XAAService manual exact match: WA5451ANW/XAA

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