Question about Maytag Neptune MAH5500B Front Load Washer

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What is code Lr and how can it be fixed - Maytag Neptune MAH5500B Front Load Washer

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The LR error on your non-spinning Maytag Neptune is usually, though not always, accompanied either by a burn spot or a blown fuse on the Motor Control Board.

Maytag upgraded the motor and motor control board because this problem was so prevalent. Big rash of these a few years back... and insludes replacement instructions with the kit.


The LR code means "locked rotor" - 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.

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.


Image 1: http://media.fotki.com/1_p,sqwrrqkkqkstsftxgtqsskgwtqkq,vi/kkwrfdskkxkgbffwfww/1/1303472/5961857/image53872img-or.gif
Image 2:http://media.fotki.com/1_p,sqwtrsgdwsqtqsqxgtqsskgwtqkq,vi/kkwrfdskkxkktggsfsw/1/1303472/5961857/image53908img-or.gif


From another source...

"Installing replacement motor, motor control harness, and motor control circut board.

Pretty easy install. On a scale of 1 to 10 I'd call it a 3.5.

If you can use a screwdriver, a wrench, and have played with legos before, you can probably do this job.

It took me about 3 hours to do, but this was with inferior tools, and two smoke breaks included.

Minimum tool requirements: Adjustable-head cresent wrench (8 or smaller handle), phillips head screwdriver, utility knife.

Recommended tool equirements: Small ratchet with socket set, ratcheting screwdriver with phillips head and small socket attachments, brew.

The instructions are pretty clear.
Once you pull the front panel off, there are two braces at 45 degree angles on the lower corners of the washer.
The instructions don't ask you to, but I would remove the brace on the left to make life easier.
This gives your arm more room to work and makes it easier to pull the motor out the front.

They ask you to remove the wiring harness from the motor first and then pull the harness out with the control board.
My wrench was too big to get to the bolt to remove the harness from the motor.
All I did was cut the harness - since they supply a new one - then pull out the control board, then pull out the motor.
As far as getting the pulley off, slip it on and off at the large wheel, this is much easier than taking it off at the small motor drive shaft.
The only other thing of note is to make sure you look at the diagram for the conectors a few times before you snap it together.
There are a few ways you could hook it up wrong so pay attention. There should be no loose ends when you finish.
Also, I couldn't get the flange back on on the rear acess panel when closing it up, but it doesnt seem to serve muc purpose besides asthetics, so I tossed it.

The $200 for the parts and shipping was well worth it. I saved about $150-250 to do it myself...."





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Posted on Oct 01, 2010

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P1775 code in showing up on my 2008 jeep wrangler x. How do you fix that?


we can not answer what you can do or fix.
only how to diagnose, or is this just a please guess for me post?
got tools, got a real scan tool?
is this a 5 buck code reader that misses most codes.
or a real one (ask for good tools)
if a real tool, it will show all codes, and you must know them all
or go astray. P0841? present? too>?

42RLE box.::: one code only, my guess.

i have this car, (m/t) and full FSM, on it,
Ill decode this and tell you what page to read in the FSM
it shows what to do next and the tests to prove this out.
P= power train
P1 means factory code ( so dont read ford codes)
SOLENOID SWITCH VALVE LATCHED IN TCC POSITION
TCC means torque converter clutch. lock up device. failure.
that means transmission, (id didnt say its bad)
the transmission on your car is automatic, unlike my stick
it has a TCM brain, hidden in the PCM brain
but its real and there. for sure. inside.
and it shifts for you, this brain,. in DRIVE

here is the 1st page on this code. in fsm book.

The Solenoid Switch Valve, an internal, hydraulically operated valve, controls the direction of the transmission
fluid when the LR solenoid is energized. When the solenoid switch valve is in the downshifted position and the
LR solenoid is energized, fluid is directed to the LR element for 1st gear. When the solenoid switch valve is In
the up-shifted position (2nd, 3rd, and 4th gear) and the LR solenoid is energized, fluid is directed into the
Lockup Switch Valve which controls the Torque Converter Clutch. When shifting into 1st gear, a special
sequence is followed to insure solenoid switch valve movement into the downshifted position. The LR pressure
switch is monitored to confirm switch valve movement. If the solenoid switch valve movement is not confirmed
(i.e. no LR pressure when the LR solenoid is energized), 2nd gear is substituted for 1st. No 1st gear (2nd gear is
substituted). The transmission Torque converter FEMCC operation is inhibited. MIL on after 5 min. of
substituted operation.
Monitor Conditions
When Monitored:
Prior to a shift into 1st gear.
possible causes:
RELATED DTC P0841 PRESENT?
(T16) TRANSMISSION CONTROL OUTPUT CIRCUIT OPEN
(T50) L/R PRESSURE SWITCH SENSE CIRCUIT OPEN
(T50) L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
(T50) L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
INTERNAL TRANSMISSION
POWERTRAIN CONTROL MODULE

the book says have the dealer
do a full transmission check using there (unique) fancy tool..
seems to be good advice.

below is the interface tcm.<> box.
solenoid and read back switches.
if the trans is not bad, then this switch is bad (fibbing)
or the wires rusty there... re-seat them yet?


25790628-45ach20vyw31nj2wu4lwuewn-5-0.jpg

Jul 20, 2015 | Jeep Cars & Trucks

1 Answer

It said Lr on screen and stops


LR = Locked Rotor on the motor. Many things can cause this. Please contact me, with more details willing to help all I can.

Apr 12, 2014 | Maytag Neptune MAH5500B Front Load Washer

1 Answer

What does error code Lr mean


The LR code means "locked rotor" which is just a way of saying the control is not seeing the motor turning. 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. could also possibly be the Water Inlet Valve w/Thermistor #22003834 needs to be replaced due to having Well Water with lots of sand, in the water it is not closing the valve properly allowing water to continue filling the tub, causing it to read the load being too heavy and also leaking out the front door

Nov 27, 2010 | Maytag Neptune Washer

1 Answer

Maytag washer top load neptune


See this post for troubleshooting the Lr error code. . http://www.fixya.com/support/t2419091-maytag_neptune_top_load_fav6800aww_tub

Lr is locked rotor. My first thought was that this could be a Motor Controller issue. This owner replaced tried that and it did not resolve the issue. He then replaced the main Control Board and that fixed his machine. Without known good parts (Control Board Motor Controller) this might be difficult for a DIY fix.

The Service Manual for reference. Sears Parts Direct for reference.

If you are going to try to DIY the repair I will see if I can help……Rich

Apr 28, 2010 | Maytag Neptune FAV6800AW Top Load Washer

2 Answers

Code p1784 is pressure switch circuit:LR How to


you'll need to have a transmission shop check the wiring harness in the transmission first ,then they can repair it,this is not a job to be doing yourself,

Jan 26, 2010 | 2000 Dodge Dakota Quad Cab

1 Answer

WANT SPIN AND THE DISPLAY SAYS lr


HI, the actual Motor control board that is located inside the unit is malfunctioning. this is the reason for the (lr) code you are receiving at this point. replacing the MCB, will fix this non spin issue.

Jun 17, 2009 | Maytag Neptune MAH5500B Front Load Washer

1 Answer

Display error code of Lr on control panel


L means "Lid or Door Lock" problem
r probably means 'release' I couldn't find it anywhere... so I'd guess that Lr means the machine did not detect that the Lid Lock released and cycle end (which means either the sensor is bad or the Lid Lock dosen't lock the Lid).

Either way, something with the Lid Lock system ais not right. Be glad it releases ;-)

Mar 27, 2009 | Maytag Neptune MAH5500B Front Load Washer

1 Answer

What does error code Lr mean and how do I fix it?


http://www.bobvila.com/wwwboard/messages/155863.html

says:

just an FYI to anyone who might need to know. my neptune started kicking up an error of LR and stopping. i ended up sending an email to maytag and got a response back from one of their techs. the LR code means "Locked Rotor". when this happens the cause is one of two items. 1) the circuit board at the top of the unit has lost connection to the motor and its control board at the bottom (connector loose) or 2) the motor and or control board at the bottom have trashed and need to be replaced (P/N 12002039).

hope the info helps someone as i had a heck of a time finding it.

Dec 21, 2008 | Maytag Neptune Washer

1 Answer

My neptune TL displays the code LR.


LR usually means that the the signal from the board is not getting to the motor either because of a bad connection at either the motor or the board or the motor itself is no good. Need to check the connections first.

Dec 13, 2008 | Maytag Neptune FAV6800AW Top Load Washer

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