I have seen this code caused by a failed Motor Controller, a failed Control Board and one forum member replaced the TDS sensor to clear it.
This could be a difficult issue to troubleshoot if you don’t have replacement parts.
If you want to get into this you could remove the machine front cover and check to see if you can rotate the clutch pulley CW and CCW with no binding. I would have you start a Spin Only Cycle and see if the Motor will drive the Clutch pulley CCW. If you decide to call in a repair service call Maytag 800-688-9900 to get an authorized warranty repair service company. The control board has a 5 yr warranty, motor has 10 yr coverage. The warranty info is in the SM. Maytag will need your model and serial number. That info is located on the back right top side of the console.
The Service Manual for reference. Sears Parts Direct for reference.
Good luck
The LR code means "locked rotor" which is just a way of saying the control is not seeing the motor turning.
The image below contains the wiring diagram for this washer as you requested but there are some other things to consider.
Usually when the LR code is displayed the motor has stopped turning for some reason. By definition the LR code means the control has tried to turn the motor but was unable to.
The error code can be caused by to large of load, to much soap/suds in the water or a problem with the spin bearing. The cause of the LR message can be little problem like suds or a major problem like the spin bearing and sometimes it's difficult to pin down. You don't mention in your question if the LR code occurs every load or once a week.
More information on when the error is occurring would be helpful resolving this problem. Try running a rinse and spin cycle empty and see if the washer completes the cycle.
The 2nd image contains the information on how to enter and run a diagnostic cycle which may help pin the source of the problem down. This test completes all functions of the washer is a short time. It will fill, tumble, drain and spin all is a few minutes. At the end of a successful test cycle a PA should display which means "Passed" and is what you want to see.
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