Find the right part faster
Multiple models matched. Select your model to confirm fit.

Main control board

Main electronic control board

Main Control Board (PCB Assembly)

Main control board

Main pcb assembly

Main control board

Assy pcb main;fwm_inv,flex was

Assembly pcb main;fwm_inv,wf80

Assembly cover power control b

Assembly pba kit

Assembly s.panel control

Assembly pcb main

Pcb main board assembly

Assy pcb main;fwm_inv,wf6000r,

Main control board
The main control board is the brain of your Samsung washer — it orchestrates every cycle, monitors sensors, and locks the door. When it fails, you'll see error codes flashing on the display, unresponsive controls, or cycles that won't start or complete. Samsung control boards are model-specific and cannot be swapped between machine types, so entering your exact model number ensures you get the right board the first time.
Common control board failures include loss of display, random error codes (like E9, dE, or 3E), and complete electrical shutdown. Unlike some repairs, the control board almost always requires OEM replacement — aftermarket boards have a high failure rate on Samsung's communicating systems. We carry genuine Samsung boards for all major washer series including Waveforce top-loaders and FlexWash models.
The clearest sign is an error code on the display — Samsung flashes multi-digit codes (E9, dE, 3E, 5E, etc.) that point to specific failures. However, the board itself can also fail silently: no power to the display panel, buttons that don't respond, or a motor that won't turn despite the cycle running. If cleaning the door latch and checking the drain don't fix an error code, the control board is the next likely culprit. Always verify your model number before ordering — Samsung uses different boards for top-load and front-load machines.
The main control board is the large circuit board that runs the entire washer — it communicates with sensors, motors, pumps, and safety interlocks. The display/UI board (touchpad or button panel) is a smaller board that transmits your commands to the main board. Some washers have these as one combined assembly; others have them separate. Always confirm which board your model uses before ordering — the part numbers look different and aren't interchangeable.
No. OEM Samsung control boards come pre-programmed at the factory for your specific model. Unlike aftermarket boards that may require calibration, the genuine Samsung board installs and runs immediately. Simply unplug the old board, disconnect the harnesses, remove any mounting clips, and slide the new board in place. Reconnect all harnesses in the same order, reassemble your machine, and run a test cycle.
In rare cases, a blown capacitor or burned solder joint can be repaired by a technician with microelectronics experience. However, most modern Samsung control boards are sealed or have parts that are not consumer-replaceable. Water damage, power surge damage, and failed integrated circuits almost always require board replacement. The cost and time of diagnosis often exceeds the price of a new OEM board.


Ensure reliable operation with genuine Samsung washing machine main control board replacement parts from Repair Clinic. A functional control board is vital for managing all wash cycles and machine settings. Easily find the right part using our model number lookup, and benefit from same-day shipping and our Price Match Guarantee. With No-Hassle 365-Day Returns, you can shop confidently. For help with installation, visit our Washing Machine Repair Help page, or browse related options like Samsung Washing Machine Bearing Parts for additional repair solutions.
On Samsung washing machines, check the label inside the door frame first. Depending on the design, you may also find the model number on the back panel or beneath the lid. Look for a combination of letters and numbers, and copy it exactly, including any slashes or suffixes. Enter that number in the model number search to pull up the parts matched to your entire washer, not just one control board or repair category. Using the full model number narrows the catalog to parts built for your specific Samsung machine, which is especially important when different washer series use different control boards and assemblies. It is the quickest way to be sure the part fits before you order.

Fixing your Samsung Washing Machine starts with the right diagnostic information. Repair Clinic's online library includes common-symptom articles, part testing walkthroughs, and repair videos that help you pinpoint what needs replacing. Once identified, the model number lookup confirms the correct OEM part, and the matching installation video guides you through the swap.

Learn common reasons your washing machine suddenly stops working, from power issues to faulty parts, and how to troubleshoot the problem effectively.

If your washing machine won't turn on, find potential causes like door switch malfunctions, control board failures, or electrical issues, along with steps to fix them.

Learn why your washer isn't spinning or draining properly, from clogged drain hoses to worn-out drive belts, and find solutions to restore its performance.