Mah8700aww Maytag Neptune washer, door won't lock, LO code

[nolazach]

Now, I know what you are thinking.  Clicking lock, must be a bad switch.

   Easy five minute fix.   I thought that too.   My smugness was quirky wiped away as the new switch did the same thing.    So, I look at the striker again.  It looks fine, but being a dollar part, I swap it.   Nada.  No change.

 

  So, next step is bad control, right?

 

   The thing is, is it possible it's something else?  A DOA switch maybe, maybe something out the box? 

  In going to exchange switch anyway.  I've probably changed 20 of these and never had an issue.  

[darren412]

 Have you put it into a diagnostic mode to see if the lock is working.  If it’s locking and unlocking correctly then your problem lies some where else . I would check to see if the main water valves are working also. It’s possible the new lock was bad. I would  also check all the wiring for continuity to and from the door lock mechanism to rule out a bad wire. The door lock Wires I believe in your model run to the noise filter ,the heater, drain pump and the main water valve  if it’s locking and staying closed  you may just have a bad wire in the locking system. If the lock tests good and the wires are good  I would suspect a bad water valve or control board 

[nolazach]

Would a water valve cause this issue in "drain and spin" setting?

 

    I do need to check wires.  It just has a dryer on top, and not looking forward to taking that off then tear down machine.

 

    I swapped out the lock mechanism. 

Will put out into diagnostic tomorrow and check it out. I couldn't remember the diagnostic sequence for that unit. 

[nolazach]

Can't enter diagnostics. 

    It keeps doing the LO.

CONFIRMED not a doa part. 

    The main inlet valve is really rusted and funky.  

   I can't even do the door lock procedures because this thing says it can't unlock.  

 So I'm going to refund my service fee and leave. Can't get help online. (It's why I can't justify the now $160 it costs here) not worth any more of my time.

   Chalk out up as a bad control, quote a crazy price, refund service fee, eat the part I bought and be gone. 

 

   

[nolazach]

I'll be damned.  Unplug inlet valve and diagnostics works.  Hmm. 

   But I can't edit my crying rant.

 Lol

 Guy who responded. Pm me and I'll venmo you beer money.  Thanks. 

 

   

[darren412]

Hey Nolazach,  I’m glad you made some progress.  Search for the service manual and that will tell you the procedure for the diagnostic sequence. It pays to have it available before you get to the job if you can.The main water valve I had mentioned will get energized and let water in for the cycle after the door locks . That is why I mentioned to check the main water valve. The lock may be perfectly fine and the valve is possibly bad 

Edited January 13, 2018 by darren412

[darren412]

Hopefully now it maybe possible for you to do a diagnostic test and check the lock and check the water valves . Use your meter on the main water valve harness that you disconnected. Verifying voltage at the harness connection during diagnostics    And that will get you through the manual testing of the components . That will tell you if the valve is no good .  I know it’s a bitch checking harness connections and wiring but a lot of times it’s just a bad wire or connection some where that is the problem. It takes time but Once you have done it several times it is really quite simple . Good luck and I’m sorry your having such a tough time with this washer.