Washer will not start

Sounds like the door lock may be faulty or it isn't closed fully. If it has a child lock check you haven't set it by mistake, you have to hold the start for 5 secs+ to override it.

Make sure it's plugged into dryer and not the wall

Check to see if the pump itself is operating. Does water run freely from the drain hose when it is lowered below the water level in the machine?

The timer/controller is faulty.

Replacement is the only fix.

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the engine maybe has no connection or motor is bad thats why wont start up,check if it belt is good ,if need more info let me knw,if my info was of any help to you please comment me ,thank you.

Hi. Check the doorseal by lifting the folded lip which faces toward the drum opening. Use a torch and carefully examine the doorseal. It may have a small hole which is hard to see at first.
If door seal is ok remove top of machine and check inlet valve. Turn power off and with your hand examine the inlet water valve. If it feels damp on the solenoid then it leaks from there and finds its way around to the front of the machine though the frame work. This leak happens due to to much water pressure at your laundry taps. If so install a pressure reducing valve before the water inlet hose and replace the water inlet valve in the machine as it is now faulty.
0417362396 Melbourne metro area
Regards Sam

I found that the dryer will not start because the door isn't fully closed. My wife has basically split the plastic door a bit, but if you firmly close the door, it will start.

replace the main board, 

First question is does the display light up? If so then does the door lock? If the door is locking then the fuse for the washer that is on the back of the dryer hasn't blown. However if door won't lock, then check the fuse to see if it is open. This is a 208/240 volt washer and the display is the only part that doesn't need 208/240 volts. If fuse if find, then check the water screens in the fill hoses and clean them. This may be more of a control unit issue having failed, Hard to tell without knowing age of unit. Hope this helps