4055729331 Genuine Main Board Assembly for Electrolux Group Washing Machines, Main Control PCB, Electrolux 119438310

Part 4055729331 is a genuine Electrolux main board assembly, also catalogued as 119438310, listed for Electrolux group washing machines. The main board runs the wash program, switching the motor, water valves and pump at each stage. With no models on file, it's important to match 4055729331 or 119438310 to the label on your old board before ordering.

Washing machine faults that point to the main board

A failed main board can cause a range of faults. The washer may not start, stop mid program, refuse to fill or drain even though the valve and pump test fine, show error codes, or leave the motor sitting still. Burn marks, a melted connector or a smell of hot electronics near the board are strong signs. Many board failures follow another fault, such as a shorted pump or motor, so test the parts the board drives before fitting a new one, or the new board may fail too.

Part details

• Genuine Electrolux part 4055729331
• Also catalogued as 119438310
• Main board assembly for Electrolux group washing machines
• Models not on file, compare with the sticker on the existing board

Fitting the main board

Unplug the washer from the wall and turn off the taps. Photograph the board and every connector before removing anything, and label the plugs if several look alike. Keep the new board in its static bag until you're ready, handle it by the edges, and push each plug fully home. Run a short program to confirm filling, washing, draining and spin all work.

Questions about this part

Can I fit a washing machine main board myself?

If you're comfortable unplugging the machine, removing panels and swapping connectors carefully, it's a plug in job on many washers. If not, or if the original board failed because of another fault, an appliance technician is the safer option.