LG WM3988H series, User'S Manual & Installation Instructions

T RO U B L E S H O OT I N G

NORMAL SOUNDS YOU MAY HEAR

Problem

Possible Causes

Solutions

Rattling and  

clanking noise

Thumping  

sound

Water leaking 

around washer

• Foreign objects, such as 

keys, coins, or safety pins, 

may be in drum or pump.

• Heavy wash loads may 

produce a thumping sound. 

• Washer load may be out  

of balance.

• Shipping bolts and/or packaging 

materials not removed.

• Wash load may be unevenly 

distributed in the drum.

• Not all leveling feet are resting 

firmly on the floor.

• Floor not rigid enough.

• Fill hose connection is loose  

at tap or washer.

• House drain pipes are clogged.

• Stop washer and check drum and drain filter for 

foreign objects. If noise continues after washer is 

restarted, call for service.

•  This is normal. If sound continues, washer is 

probably out of balance. Stop and redistribute 

wash load.

• Stop and redistribute wash load.

• See Installation Instructions for removing shipping 

bolts and packaging.

• Stop washer and rearrange wash load. 

• Adjust the leveling feet. Make sure all four feet are in 

firm contact with the floor while the washer is in the 

spin cycle with a load.

• Make sure that the floor is solid and does not flex. 

Refer to “Flooring” in the 

Installation

 section.

• Check hoses. Check and tighten hose connections. 

• Unclog drain pipe. Contact a plumber if necessary.

The following sounds may be heard while the 

washer is operating. They are normal. 

Clicking:

Door lock relay when the door locks and unlocks.

Spraying or hissing:

Steam or water spraying or circulating during  

the cycle.

Humming or gurgling:

Drain pump pumping water from the washer at 

the end of a cycle.

Splashing:

Clothes tumbling in the drum during the wash 

and rinse cycles.

BEFORE CALLING FOR SERVICE

Your Steam Washer™ is equipped with an automatic error-monitoring system to detect and diagnose 

problems at an early stage. If your washer does not function properly or does not function at all, check the 

following before you call for service.

Vibrating  

noise

Excessive  

sudsing

• Too much detergent or 

incorrect detergent.

• Reduce detergent amount or use low-sudsing 

detergent. 

Only use detergent with the HE  

(High-Efficiency) logo.

Cleaning the Drain Pump Filter

Lint and other objects may accumulate and clog 

the drain pump filter. If the washer fails to drain 

properly, unplug the washer and allow the water 

to cool, if necessary, before proceeding.

Open the drain pump filter access panel.

1

Unclip the drain hose and pull it out. Place 

the end of the drain hose in a pan, bucket, or 

floor drain to catch water.

2

Remove the plug from the drain hose, and 

allow the water to drain completely.
Twist the pump filter counterclockwise to 

remove. Remove any lint and foreign objects 

from the pump filter.
Reverse the above steps to reinstall the drain 

pump filter and drain hose. Be sure to close 

the cover panel when finished. 

3

MAINTENANCE 

(cont.)

Drain Hose

Plug

Pump 

Filter

C A R E   A N D   C L E A N I N G

Staining

• Laundry products added directly to 

the washer drum.

• Washer not unloaded promptly.
• Clothes not sorted properly.

• Load the laundry products into the dispenser.
• Always remove items from the washer as soon as the 

cycle is completed.

• Always wash dark colors separately from light colors 

and whites to prevent discoloration. If possible, do 

not wash heavily soiled items with lightly soiled ones.

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