Question about Maytag Neptune MAH5500B Front Load Washer
No motor test required , you need to replce the motor and motor control kit I have appliance experince 5years in the field 9 Times out of ten it is the motor and control board.
Posted on Aug 17, 2008
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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.
Feb 14, 2012 | Maytag Washing Machines
Lr means locked rotor,
this issue occurs due to locked rotors, you'll need to check the rotor wiring
and motor windings. If the wiring is good and windings are not burnt then
you'll need to replace your motor and motor control board. These are sold as one
unit, it is a 3 phase motor and one of the phases is bad as a little power
surge can damage the boards. Hope
this helps...please post back for further assistance.
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