Error Code AC

The washer's control boards cannot talk to each other.

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC

What This Means

Signals between sub and main PBAs are not sensed due to communication failure; Incorrect or loose connector connections between sub and main PBAs; Faulty soldering on sub PBA control panel; Sub PBA is short-circuited due to moisture; Incorrect wire connections between sub and main PBAs; Main PBA communication circuit fault

What actually causes this:

A wire connector between the display panel and the main control board has come loose, often from vibration over time.

First Thing to Check

Try unplugging the washer for 2 minutes and plugging it back in to reset the control boards.

Parts Involved

Sub PBAMain 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 C/Panel and check for any faulty soldering

  4. 4

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

  5. 5

    5. Check wire connections and terminals between sub and main PBAs

  6. 6

    6. Check for disconnected wires

  7. 7

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

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

Need more help with your Samsung WA52J8060AW?