Samsung Washers2018–present

Error Code AC6

The washer's motor controller isn't communicating properly

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC6

What This Means

Connector connections between Inverter PBA and main PBA are incorrect or loose; Inverter PBA has faulty soldering; Wire harness damage

What actually causes this:

The inverter board connector came loose or the board itself has a solder joint issue

First Thing to Check

Unplug the washer for 5 minutes, then plug it back in and try again

Parts Involved

Inverter PBAMain PBA

How to Fix

  1. 1

    1. Check the connector connections between the Inverter PBA and main PBA carefully

  2. 2

    2. Check for incorrect or loose connections

  3. 3

    3. Remove the Inverter PBA and check for any faulty soldering

This Error Applies To

Samsung WA50M7450A Series Washers (2018) (2018–present)

Service manual exact match: WA50M7450AP/A4Service manual exact match: WA50M7450AW/A4Service manual exact match: WA48H7400AP/A2

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