Error Code AC

The control panel and the main computer board are not talking to each other

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC

What This Means

Communication error between sub PBA and main PBA; Incorrect or loose wire connections between sub and main PBAs; Faulty soldering on sub PBA C/Panel; Moisture or short-circuit on sub PBA

What actually causes this:

A wire connection between the control panel and the main board came loose

First Thing to Check

Unplug the washer for 60 seconds and plug it back in — if the error returns, it needs service

Parts Involved

Sub PBAMain PBAWire Harness

How to Fix

  1. 1

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

  2. 2

    2. Check for disconnected wires

  3. 3

    3. Check whether the sub PBA is short-circuited because of moisture

  4. 4

    4. Remove the sub PBA C/Panel and check for any faulty soldering

  5. 5

    5. If the main PBA's communication circuit is faulty, replace it

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