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LG WM2277HW FE Error Code  Rate Topic 
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 Posted: Tue Nov 17th, 2009 10:34 pm
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fisc
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I'm getting the FE error code on the washer.  I have the service manual and will check the water level frequency when i get home tonight.  I also thought i would clear any "screens" in the supply lines as well as clean the filter located at the bottom of the machine.  Last time i cleaned it i also drained a bit of sand out of the drain line.

 

I'm thinking however it the water level sensor and not the valves or the filling times - does that sound correct?  I don't have the training manual if i have to jump into it further but feel comftorable replacing parts if I / We can isolate the offending part(s). 

 

Sound like i'm on the right track? 

 

David

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 Posted: Wed Nov 18th, 2009 04:15 am
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applianceman18007260692
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FE means overflow condition. That means sand or trash has gotten into the tube going from tub to water level switch. So find that hose and blow it out. Remove the standing water and retry.



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 Posted: Wed Nov 18th, 2009 04:43 am
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Thanks for the reply - more information now that i'm home.

 

The service manual shows that the water level switch is reporting in.  When you hit the soil level and spin speed together the numbers register and move up to 225 - which is a VERY high water level...  It also registers 255 when empty which sounds correct too.

That tube is filled with air if i'm reading the schematics correctly - looks like it's air operated. 

I started the wash cycle and the water started to fill - i hit the pause and it kept filling - i hit the off and it kept filling - to about the same spot on the door.  I've never seen it hold much water let alone go to about 10-15% above the bottom of the door.

Since the water level is registering and shows on the panel - is it still that sensor or the tube going to it.  The other two items would be the valves (one has a single valve and the other has three valves i beleive).  What's interesting is that it stops at 225 on the register which i would guess is absolute max.

Any other suggestions?

 

From the service manual -

 

WATER LEVEL SWITCH


The water level detector switch monitors the water level and feeds thisinformation to the MICOM. The sensor reads air pressure in an air chamber onthe tub. The air pressure changes in relation to the depth of the water, moving a diaphragm in the switch. As the water level fluctuates, it raises or lowers the iron center in the coil, which, in turn, changes the electric resonance of the oscillator circuit of which it is a part. As water level decreases, frequency increases.


(e.g. A low water level may read 25.5 kHz, while a high water level may read 21.4 kHz. These readings are approximate; washers in the field may vary slightlyfrom these figures.)


To read the frequency while the WM2496 is running, press and hold the LOWSPIN and LIGHT SOIL buttons simultaneously. The number on the displayshould be divided by 10 to obtain the frequency reading in kHz. A display of 254 would indicate a frequency of 25.4 kHz. The MICOM interprets the frequency reading as one of eight levels, with one being the lowest water level and any level greater than eight indicating an overflow situation.


 

Last edited on Wed Nov 18th, 2009 04:51 am by fisc

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 Posted: Wed Nov 18th, 2009 11:58 am
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fisc wrote: - i hit the pause and it kept filling - i hit the off and it kept filling ...

It should pause filling, if the Pause Button is pressed,

and stop filling if the OFF Button is pressed.

does it do the same thing with:

try only cold water wash ?

try only hot water wash ?

You'd have to measure the voltage on the Water Valves while it's still filling in the Pause mode.



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 Posted: Wed Nov 18th, 2009 03:04 pm
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I'll try and isolate the valves (hot and cold) and pause.  Interesting that they do shut off eventually. 

I'm guessing to test the voltage that the valves are on or near the back panel?

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 Posted: Wed Nov 18th, 2009 03:30 pm
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fisc wrote: I'm guessing to test the voltage that the valves are on or near the back panel?

as shown in the Service Manual, the Water Valves are near the Dispenser Drawer.

remove Top Panel



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 Posted: Wed Nov 18th, 2009 09:46 pm
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Reg if sand got into the air tube and caused it to be unable to move that rod up and down would the FE error remain until the air tube was freed from the sand or obstruction?



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 Posted: Wed Nov 18th, 2009 10:08 pm
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Only reason i think that parts OK (water level) is that the machine wont shut water off or pause even if the power is cut off via the on off or pulling the plug on the machine.  I would think the valves would close if power was cut off - i still haven't gotten to the top since it's currently has teh dryer on top of it  :shock:.  I have to move some "stuff" to pull the dryer down and out of the way then i can pull the top and put my meter on the valves.

 

It's on the cold water and i think it's only the pre wash cold valve since that's where is appears to be spraying.

 

:drowning:  Right now the water is turned off (just in case).  The machine is smart enough to lock the door once it fills up to about the bottom of the door (again another reason why i think it's either the valve or the power board to the valve (but i don't think it could supply power to the valve once the plug is pulled.

 

Novice David

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 Posted: Thu Nov 19th, 2009 03:50 am
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fisc
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OK, the was maybe 1-2 volts present at each of the terminal pairs when they were supposed to be closed.  When the washer wanted to dump in cold water one would go to 120 volts...  So i pulled the offending part - i need to try and source locally tomorrow - if not i'll order from here and overnight the inlet valve for overnight delivery.

Thanks for the help, all looks clean inside the washer.

 

Looks like it's the rubber "valve" that's under that pin that is leaking and allowing the water to stay on - much the same as a sprinker valve in operation.  Everything was clean in the water way so i just think it gave up the ghost faster then normal (i think we've had for 3 or 4 years now. 

Thanks all!

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 Posted: Sat Nov 21st, 2009 03:19 pm
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fisc
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Follow up - no parts in San Diego for LG :X.

 

Had to order online but fast delivery.  Part went in like a champ and running (not :surfin: the garage with water).

Thanks for your help! 

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 Posted: Thu Apr 8th, 2010 05:23 pm
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applianceman18007260692
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So let me get this straight? You had a bad water valve?



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