Error Code AC

The control panel can't talk to the main circuit board

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC

What This Means

Signals between the sub and main PBAs are not sensed; Incorrect or loose connections between the sub and main PBAs; Faulty soldering on the sub PBA or control panel; Sub PBA wire is short-circuited because of moisture

What actually causes this:

A wire connector between the control panel and the main board came loose or has corrosion

First Thing to Check

Unplug the washer for 60 seconds and plug it back in — this resets the communication link

Parts Involved

Sub PBA (Control Panel)Main PBAWire Harness

How to Fix

  1. 1

    1. Check the connector connections between the sub and main PBAs carefully

  2. 2

    2. Check for incorrect or loose connections

  3. 3

    3. Remove the sub PBA / control panel and check for any faulty soldering

  4. 4

    4. Check for disconnected wires

  5. 5

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

  6. 6

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

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

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