Lr means the motor has a Locked Rotor.
This is a common problem and is caused by a burned out washer motor and the shorted motor overheats and destroys the the motor control circuit board. There is a kit for the problem that contains the motor and the circuit board as well as full instructions on replacing the defective mortar and circuit board. Please go to the web site below for the oparts, before orderinmg call and verify the model number of you Maytag washer to insure you get the correct Motor Conversion kit.
Click this link please.
http://www.repairclinic.com/PartDetail/M...
DOES THIS MEAN THAT I NEED TO PURCHASE A NEW MOTOR AND MOTOR CONVERSION KIT
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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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