Samsung Washers2018–present

Error Code AC5

The display screen is not communicating with the main board.

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC5

What This Means

LCD communication error; Incorrect wire connections between main and inverter PBAs

What actually causes this:

A loose display cable or connector between the boards is preventing the screen from getting data.

First Thing to Check

Unplug the washer for 60 seconds and try again.

Parts Involved

Main PBA (Assy Kit)Inverter PBALCD Display

How to Fix

  1. 1

    1. Check wire connections and terminal contacts between main and inverter PBAs

  2. 2

    2. Check for disconnected wires

  3. 3

    3. If main or inverter PBA communication circuit is faulty, replace it

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung WW22N6850QX Series Washers (2018) (2018–present)

Service manual exact match: WW22N6850QX/A2

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