Samsung Washers

Error Code AC5

The display screen cannot communicate with the main control board

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC5

What This Means

LCD communication error; Disconnected wires between main and inverter PBAs; Main or Inverter PBA communication circuit fault

What actually causes this:

The display panel ribbon cable or connector came loose

First Thing to Check

Unplug the washer for 60 seconds, then restart

Parts Involved

Main PBAInverter PBA

How to Fix

  1. 1

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

  2. 2

    2. Check for disconnected wires

  3. 3

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

This Error Applies To

Samsung WW25B6900AW Series Washers

Service manual exact match: WW25B6900AW/A2

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