Samsung Washer Error Code bE3

The bE3 code indicates that the main relay on the washer's primary control board (PBA) is either short-circuited or has a faulty terminal connection such as a bent or disconnected pin. The relay is responsible for switching power to major components in the washer. When the board detects this fault, it stops the machine to prevent electrical damage. Repair requires inspecting the relay connections or replacing the main PBA.

Unplugging the washer and restoring power may temporarily clear the display, but the bE3 code will return if the underlying hardware problem has not been corrected. A short-circuited relay or a bad terminal connection is a physical fault that the board will detect again as soon as it runs its diagnostics. A reset is not a fix for this error code.

If the fix is simply reseating or straightening a relay terminal, the repair cost may only involve a service call fee, typically in the range of $75 to $150. If the main PBA requires replacement, parts and labor combined can range from $200 to $450 or more depending on the specific model and local labor rates. Getting a diagnostic quote before authorizing board replacement is advisable.

A homeowner comfortable with basic electronics can start by visually inspecting the main relay terminals on the control board for bent pins or loose connections, which sometimes resolve the code without additional parts. However, if the relay itself is short-circuited internally, the main PBA must be replaced, which involves working near high-voltage components. If you are not experienced with appliance electronics, this repair is best handled by a qualified technician.

It is not recommended to continue operating the washer while bE3 is active. A faulty main relay can cause improper power delivery to the motor and other components, which may lead to additional damage or create an electrical hazard. The washer should remain unplugged until the relay terminals are inspected and the fault is resolved.