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LG wm3987hw drying cycle much too wet

LG washer dryer combo

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1 reply to this topic

#1 scambor

scambor

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Posted 22 October 2012 - 02:59 PM

I have the LG wm3987hw combo unit. I had issues with drying cycle, and after some online research, took apart the drying unit and removed a nice ball of sodden lint from the bottom of the condensing unit. Normal drying effectiveness resumed for a few weeks, then problems started again. Clothes came out of drying even wetter than they went in.
I obtained the service manual for the 3988hwa unit which is similar (being unable to locate the 3987 manual anywhere), and ran through all the resistance testing on the thermistors, the fan, the coil -- all check out OK. Nevertheless, too much water seemed like it must be due to a faulty valve, so I ordered a replacement for the 5220fr2008e coldwater valve assembly unit. I got a box and a shipping slip indicating that part number, but inside it is a unit that looks the same but the part number ends with an F instead of E. I hooked it up and got same too-wet results. I have ordered another E unit from a different seller. So, here's the questions: should an F unit work in this machine? What is different about the F unit's white nozzle insert and the E unit's yellow insert ? Other than color, the inserts look the same. Is there another piece that is supposed to sit between the insert and the hose, in order to make a mist? Lastly, in response to a similar issue discussed elsewhere in this forum, there is some mention of a water level sensor that may be faulty. Where is that located and how do I check it?
Thanks to all, this is a great forum, I have learned a lot already.

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#2 john63

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Posted 22 October 2012 - 05:42 PM

The original COLD WATER VALVE part number was: 5220FR2008E

Current part number is: 5220FR2008F

Other part numbers used were: 5221FR1002B & 5220FR2008L

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<<<I hooked it up and got same too-wet results.>>>

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If the SERIAL NUMBER begins with a 9 or lower number (indicates year-of-manufacture)---most likely the DRAIN MOTOR is becoming worn/slow. The Drain Motor is used for both the WASH and DRYING cycles (faster wear & tear).

Part number for DRAIN MOTOR: 4681EA2001T

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To eliminate:

Musty odor

L-O-N-G cycle times

Dingy/yellowing whites

Suds error message

Slow spin speeds

Intermittent water leaks (from rear of washer)

And other annoying symptoms which vary brand-to brand.

Read below:

The *correct* amount of HE (High Efficiency) detergent that should be used in any front load or agitatorless top load washer with tub sizes 3.0 cu ft and larger is as follows:

HE: (2) Tablespoons Per Wash Load

HE 2X: (1) Tablespoon

HE 3X: (1) Teaspoon

Perform a TUB CLEAN CYCLE every (4) months.

Use: "Tide Washing Machine Cleaner"




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