Samsung Washer Error Code 1AC6

The 1AC6 code means the washer has detected a communication error between the inverter PBA and the main PBA on the upper washer unit. These two control boards must exchange data continuously to operate the motor and manage wash cycles. When that link fails, the washer stops and displays this code. The problem can be a loose connector, damaged wiring, or a faulty board.

No, you should not continue running the washer while this error is active. The 1AC6 code indicates the motor control system is not communicating properly, which means the machine cannot regulate motor operation reliably. Continuing to run the washer in this state risks further damage to the motor or control boards.

Unplugging the washer for a few minutes and restarting it may temporarily clear the code, but it will return if the underlying communication problem has not been fixed. A reset does not repair a loose connector, damaged wire, or faulty control board. Use the reset only as a way to confirm whether the fault is intermittent while you pursue proper diagnosis and repair.

Some cases of this error are caused by a loose connector, which a capable DIYer can address by unplugging the washer, locating the connector between the inverter PBA and main PBA, and firmly reseating it. If the problem is a damaged harness or a failed control board, the repair becomes more technically involved and may require professional service. Always unplug the appliance before inspecting any internal wiring or components.

If the fix is simply reseating a loose connector, there is no parts cost and only your time is involved. If a wiring harness needs replacement, expect parts and labor to range from around $75 to $200 depending on your location and service provider. A replacement inverter PBA or main PBA typically costs between $150 and $400 or more for parts alone, plus labor if professionally installed.