* If you don't see your model number , please contact us to check it for you * The Control Board Kit is an OEM part for Samsung washing machines. It includes the main control board and additional components that operate the cleaning functions and cycles. As the heart of the electrical system, a properly functioning control board kit is essential. Causes of a bad control board kit can include failure of electronic components from prolonged exposure to moisture or fluctuations in electric current over many uses. Symptoms of a bad control board kit include: The washer not powering on or remaining unresponsive Inability to advance through cycles or activate options Error codes or lights indicating electrical faults Intermittent or abnormal operation This genuine Samsung replacement restores full functionality to control all cycles. It is also compatible with some Kenmore and LG brands for a seamless replacement that revitalizes your washer. Replace to avoid costly repairs down the road. Fits Models: Samsung WA40J3000AW Our Policy: * Please check ETA before placing the order. * Items returned not in original conditions are subject to a 50% deduction or deny any credit. The part must not have any type of damage, such as signs of installation by the customer, marks, or scratch. Please contact us through messages for the following reasons :Our respond time is 24 hours. If you did not receive your item within the ETA . If you received an item that is does not fit, please provide us your model and serial number to check. If you need to return an item . Item not as described for one of the following reasons (Item is defective, Doesn't match description or photos, Received wrong item, Missing parts or pieces, Arrived damaged). Thank You for Shopping!