Question about Maytag Neptune MAH5500B Front Load Washer
The washer locked up and will not drain and is displaying an LR code...does this mean a new motor? If so do you know the part #?
LR = Locked (main motor) Rotor and very likely a new motor will be needed but the only way to know for sure is to do some electrical testing with a volt/ohm meter and the wiring diagram located within the appliance.
TheRepairGuru --- www.RepairClinic.com
Posted on Jan 27, 2009
I had this happen to me twice when water leaked out of the machine. Got the Lr code and never figured out why it did this either time except this second time the city shut the water off in our neighborhood the night before for a few hours. Might have been air in the water line when the water got turned back on and somehow caused an overflow issue.
The fix was I took the back panel off and put a fan, or dehumidifier in my case, blowing into the back to dry the circuits and wire connections. Make sure you unplug the machine before doing this and plug it back in after its had time to dry and if your like me, everything worked afterwards. Hope this helps.
Posted on Aug 25, 2015
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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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