Question about LG WM-3677HW Front Load Washer / Dryer

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LG WM-3677HW dryer cycle does not dry and lasts for 3 minutes

I don't mind the long drying times. At least the clothes get clean. But now the drying cycle says 2 1/2 hours but lasts for 3 minutes. Clothes aren't drying. This has been going on for a week. I washed a bath mat last week, could that be the problem? If I need to clean the lint trap, where do I find the lint trap?

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Re: LG WM-3677HW dryer cycle does not dry and lasts for 3...

Press "end of cycle". Plug off the wall. Code can be an indication of several issues. The most common cause is over-sudsing in the machine. Overloading the wash with too much laundry may also cause the LE error code. Lastly, a breakdown in the signal between the microprocessor and the motor may cause that error code. This can occur if there is a loose wire, see that all wires are tightened..........
And rate me pl ...........if helped.

Posted on Jan 03, 2008

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Re: LG WM-3677HW dryer cycle does not dry and lasts for 3...

There is a trap on the front on the washer, the little square on the lower left hand side. water will come pouring out of it so make sure there is somethign there to catch it or it gets really messy. there is another lint trap on the bottom of hte machine but other than that i can;t tell you where

Posted on Jan 03, 2008

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Try checking the back, there is a plastic tub that is connected to the drying system and it can get clogged with lint etc. It will also cause the unit to give you longer drying times. It is a poor design. You can also pop off the lid to get a better look but make sure you unplug the unit.
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LG WM 3431 does not dry

Dryer / drying troubles - DIY repairs WD-12320RD / WM3431H. It was difficult to find suitable solutions so I shall share my experiences here. I live in Malaysia and purchased the LG washer-dryer model WD-12320RD TROMM (240V) in January 2006. WD-12320RD should be similar to WM3431H, just compare and verity features available at LG's Singapore website However, WD-12320RD model is no longer available locally. Both model's features are essentially the same since I relied on the WM3431H service manual downloaded from for my repairs.

Fixing the machine would require relevant skills and plenty of common sense. Do this at your own risk and I am not responsible for your screw-ups.

Trouble date: January 2006

Symptoms: Damp clothes. Steam present when the door was opened and the door was also wet.

Solutions attempted: New washer-dryer drying under “Very” (More) didn’t worked. Machine was still under warranty and LG repairman was quick to respond and helpful. Diagnosed the problem to be a faulty PWB Assembly (main). Replaced PWB Assembly with a new version i.e. without “Cd” (cool down) feature. Machine worked as it should and clothes were dry even under “Cupboard” (Normal) mode.

Trouble date: March 2008

Symptoms: Similar to January 2006. Problem persisted, even after running drying cycle twice.

Solutions attempted: Dryer under “Very” (More) didn’t worked. First diagnosis, faulty Heater Assembly and Motor Assembly (Fan) located in dryer Duct (Inlet). Replaced the Thermostat Assembly, the Fan and also thoroughly cleaned the Duct Assembly (condensing). It was full of lint but no hairs, etc. Problem persisted.

Tried “Time” drying setting at 2h 30m and the drying worked a little better but the clothes were still slightly damp.

Tried Cupboard again and this time I observed the display was reduced to 10m or 6m after only ½h passed. Ran the cycle again but also used a separate kitchen timer as a reference control by setting both timers at 2h 30m. Confirmed the drying cycle ended abruptly in about 45m while the kitchen timer was still running.

Tried “Low Temp” mode and the drying cycle lasted between 3½h and 4h. During the drying cycle, time display would stay frozen at 6m when the actual time passed was more than 1h. Once completed, the clothes were dry but some steam was still present. The door was dry too.

Replaced the PWB Assembly and dryer worked again. Clothes were dry as toast.

Lessons learnt:

Symptoms: Immediately after drying cycle, damp clothes, door is wet and steam present.

Recommended action: Try all drying modes, observe behaviour compare with the above. Use a separate timer as reference to confirm drying cycle ended abruptly. During cycle also observe whirring sound to be sure that the dryer fan motor was running and the top right hand side of the machine felt warm because of the heater. Thoroughly clean the Duct Assembly (condensing).

Tips on cleaning Duct Assembly: Unplug power cord and ensure machine is cool.

Step 1 - (note: for this step, very little guidance was found in manual) remove back panel to access the rubber bellows connecting the Duct Assembly to the tub. It should be located at the lower left side. Before removing the bellows, line the base with some towels in case Duct was flooded. Wash bellows thoroughly. Remove any other lint or visible obstructions from the Duct and tub openings. Re-attach and secure bellows.

Step 2 - remove the Heater Assembly and Fan covers to expose the heating element. Scrub the entire inside walls with moist toothbrush. Extend the handle if required. Don't use sharp objects to clean the Duct. It would be easier to remove lint if the inside walls were moisten with water using a manual spray pump. Exercise extreme care and do not wet other parts of the machine. Remove the loose lint and rinse entire area carefully using cups of water and all the remaining lint would flow down the Duct into the tub and later, exit through the drain hose. If the Duct is blocked, the water may fill up the Duct. Not to worry, try removing the obstruction (likely to be lint or hair) with a suitable tool, probably a stiff rod with a blunt, L-shaped end. Finally, clean by rinsing with water and dry the covers and Fan before re-assembling all the parts. Repeat Step 1 if necessary.

Recommended solution: If symptoms persist, most likely the PWB Assembly has conked out, even if it was a new machine as in my case and it appears to be so for many users as well.

User tips for best performance: Maximum load by volume, clothes should not exceed 70% of tub. When drying efficiency is affected, cleaning maintenance is required.

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please visit and leave a positive comment if your trouble was solved. tq.

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CD means cool down, press the pause start button, the door lock will open. It is an anti crease cycle. It mentions it in the owners manual, but it is hidden deep in the drying section.
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