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Samsung Washers2022–present

Error Code 8CB1

The vibration sensor board has a fault.

Moderate

Address soon - your appliance may not work properly

Also displayed as: 8CB1

What This Means

MEMS PBA wire disconnected; MEMS PBA fault; Main PBA fault

What actually causes this:

The MEMS vibration sensor board has failed, possibly from moisture or a manufacturing defect.

First Thing to Check

Unplug the washer for 60 seconds, then plug it back in and try again.

Parts Involved

MEMS PBAMain PBA

How to Fix

  1. 1

    1. Replace the MEMS PBA

  2. 2

    2. If issue persists, replace the Main PBA

This Error Applies To

Samsung WA50R5400A Series Washers (2022) (2022–present)

Service manual exact match: WA50R5400AVService manual exact match: WA50R5200AWService manual exact match: WA54R7600AWService manual exact match: WA54R7200AWService manual exact match: WA50T5300AWService manual exact match: WA52M7750AWService manual exact match: WA50R5200AVService manual exact match: WA54R7600AV+2 more

Related Error Codes

SF3

The washer's main computer has crashed.

SF2

The washer's main computer has crashed.

8CB4

The vibration sensor may have failed.

8C

An antibacterial system component has stopped working.

TC1

The water temperature sensor inside the wash tub is not reading correctly.

TC2

The temperature sensor for the drying function is not reading correctly.

UB

The laundry inside the washer is bunched up on one side.

SUD

There are too many soap suds in the washer.

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