LG · Laundry · WM4000HBA · Owner's Manual
Clean the Detergent Drawer and Water Inlet Filters from LG WM4000HBA Owner's Manual. Read the extracted page 39, related manual answers, and source citation.
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This section covers two maintenance tasks that can help prevent filling problems, leaks, and buildup:
After cleaning the drawer itself, clean the drawer opening where the detergent drawer slides in.
1. Use a small, non-metal brush. 2. Clean the recess around the drawer opening. 3. Remove all residue from the upper and lower parts of the recess. 4. Replace the drawer.
Use care to remove buildup from both the top and bottom areas of the opening so the drawer can sit properly.
The washer has inlet filter screens that protect the delicate parts of the inlet valve from particles in the water supply.
Clean the inlet filters if:
1. Turn off the washer and unplug the power cord. 2. Turn off the hot and cold water faucets. 3. Unscrew the hot and cold water hoses from the back of the washer. 4. Carefully remove the filters from the water valves. - Use pliers to pull out the filters from the water valves. 5. Remove any foreign objects from the filters. 6. Soak the filters in white vinegar or a lime scale remover. - If you use a lime scale remover, follow the manufacturer’s instructions. - Be careful not to damage the filters while cleaning them. 7. Rinse the filters thoroughly. 8. Press the filters back into place.
If the washer does not fill properly, an error message will appear on the display. This can happen when the inlet valve filter screens are clogged by:
If you use the washer in an area with hard water, the inlet filter may clog due to lime buildup and may need more frequent cleaning.
LG WM4000HBA Owner's Manual, extracted page 39
No. The manual says not to use the washer without the inlet filters. Doing so can cause leaks, malfunction, continuous valve opening, flooding, and property damage.
Check and clean the water inlet filters. The display message can mean the inlet valve filter screens are clogged by hard water scale, sediment, or other debris.
You need access to the washer power and water shutoffs, pliers to remove the filters, and either white vinegar or a lime scale remover for soaking the filters.
This section is extracted from the official manual record and keeps its source citation attached.