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LG WM1814CW stops shortly after cycle start


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33 replies to this topic

#21 Spannerwrench

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Posted 19 June 2013 - 03:41 PM

I had a duet washer that did almost the exact same thing. It would start and then just turn right back off, no errors, no nothing. It turned out to be a broken connection at the temperature thermistor in the tub, fixed the connector and worked like a champ.
Not saying that's the problem here, just suggesting checking the connectors and resetting them on all of the components.
"Suds are not good"
"They write directions for a reason"
"Make sure you're using it right before you say it's not working correctly"
"If if has a Diagnostic Test Cycle, Run it before and after you fix it!"
"Doing the same thing over and over again and expecting different results is insane"
"For every complex problem there is an answer that is clear, simple, and wrong."

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#22 Spannerwrench

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Posted 19 June 2013 - 03:50 PM

Service manual link.
https://www.dropbox....vice Manual.pdf

Test procedure.

Attached Files


"Suds are not good"
"They write directions for a reason"
"Make sure you're using it right before you say it's not working correctly"
"If if has a Diagnostic Test Cycle, Run it before and after you fix it!"
"Doing the same thing over and over again and expecting different results is insane"
"For every complex problem there is an answer that is clear, simple, and wrong."

#23 BenR

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Posted 19 June 2013 - 04:35 PM

I downloaded the Service Manual. Big thanks for that! I will go through the test info in the manual as well and check connection at the thermistor.

 

I'm not allowed to view the image file you attached though based on my Grasshopper status I think.

 

Right now I just like to have my Grandma's old Maytag washer with the wringer that was on the back porch of her farmhouse...



#24 BenR

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Posted 19 June 2013 - 04:57 PM

OK, going through the QC Test mode the get the following-

Start test mode sequence - all lamps turn on, door locks and display reads ( lH:bl )

press Start/Pause button - 1 time - drum turns clockwise and display  shows rpm to be 46 - 47

 

press the Start/Pause button - 2nd time  to test Low speed Spin - ENTIRE SYSTEM shuts down

and I can't get past that point.

Any clues?



#25 BenR

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Posted 19 June 2013 - 05:56 PM

Just tried it again and it ran through the full test sequence with no problems. What the heck?



#26 BenR

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Posted 20 June 2013 - 11:24 AM

Full load of was tried again. Washer shuts down almost immediately. Still



#27 Samurai Appliance Repair Man

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Posted 20 June 2013 - 08:36 PM

Attempting to channel Brother john63... standby....
 
This appears to be an older (2005 or older) LG washer that uses a sensor mounted at the rear/back of the washer.
 
Remove the rear access panel.
 
On the right side---you'll notice a spring-loaded arm that is mounted on the washer "shell".
 
This is the ball sensor and bracket assembly: Part number: AP4438319

Part number: AP4438319
 
Examine the back of the washer (sheetmetal)---if it's *bent* inward---this will cause numerous false imbalance errors. It may be necessary to pull out the sheetmetal (to it's normal position).
 
If the washer was either tipped back or placed on it's back---to replace the drain motor then the ball sensor is likely out-of-position or damaged.
 
If the ball sensor and associated structures look intact, then replace the main PCB:  Part number: AP4441001

Part number: AP4441001
 
How'd I do?


#28 BenR

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Posted 21 June 2013 - 07:48 AM

Thank you Samurai. I think you may be onto something.

 

No bent sheetmetal and it has not been laid on it back at all. I know where the part is though from giving the washer a thorough cleaning the other day after this all started.

 

Is there a way to bypass the ball sensor temporarily to verify it is a faulty sensor instead of the PCB?



#29 Samurai Appliance Repair Man

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Posted 21 June 2013 - 08:28 AM

I don't know a way to correctly bypass the ball sensor.  But the sensor is only $20.  If it were my machine, for the money I would just replace both parts and be done with it.  



#30 BenR

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Posted 21 June 2013 - 08:45 AM

I'll give it a shot. Thanks for the info! May your glass be full and the beer cold...



#31 Samurai Appliance Repair Man

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Posted 21 June 2013 - 08:47 AM

Back atcha, budrow!  Let us know how it goes.  



#32 BenR

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Posted 21 June 2013 - 10:55 AM

Parts ordered, will get back to you in a few days.



#33 BenR

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Posted 27 June 2013 - 01:14 PM

I ordered the Ball Sensor and the main PCB. Just replacing the Ball Sensor was not the answer. I tried running a load and in two minutes or so the washer stopped just like before. Installed the new PCB and the washer is running fine now. Might not have needed the Ball Sensor at this point but wasn't worth pulling the machine back out again to remove it. Life is good, clothes are clean. Thanks to ALL!



#34 Samurai Appliance Repair Man

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Posted 27 June 2013 - 05:36 PM

Great job!   :dude:






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