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HomeRepair HelpLG Washer RepairLG Washer won't drain Repair
LG Washer won't drain
Won’t your LG washer drain? Start by checking the drain pump for a small object or clothing blocking the impeller. A clogged or damaged drain pump is the most common cause of a washing machine not draining, especially if the pump makes a grinding or humming noise during the drain cycle. If the pump is clear but receives no power, the main control board may be defective. On some LG models, a faulty timer can also prevent voltage from reaching the drain pump. Next, inspect the drain hose for kinks, crushing, or a clog caused by lint or hair. A washer that moves during a cycle can bend the hose and restrict drainage. Debris in the door lock or door latch assembly, or an obstructed lid switch assembly on applicable models, can also keep the washer from operating properly. Before servicing, unplug the appliance and follow safe procedures for how to drain a washing machine with standing water. Enter your LG washer's model number to find the exact drain pump, control board, timer, drain hose, door lock, or lid switch replacement part for your specific machine.
01 - LG Washing Machine Drain Pump
Sometimes, small objects or articles of clothing can get caught in the drain pump. To determine if anything is blocking the drain pump, remove the drain pump and check the pump for obstructions. If the drain pump is clear of obstructions, but is still noisy during the drain cycle, replace the drain pump.
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02 - LG Washing Machine Control Board
Since a washing machine control board provides voltage to nearly all of the washer's electrical components, a faulty board may not be sending power to the drain pump during the drain cycle. You can inspect the board for signs of burning or a shorted-out component. You can also use a multimeter to test for incoming power to the drain pump after reviewing the appliance's wiring diagram. If no voltage is present when the washer is in the drain cycle, it's likely the control board is defective and will need to be replaced.
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03 - LG Washing Machine Timer
On some washing machine models, a timer is used to determine when voltage is to be sent to the washer's electrical components. A faulty timer may not be sending power to the drain pump during the drain cycle. You can inspect the timer for signs of burning or a shorted-out component. You can also use a multimeter to test for incoming power to the drain pump after reviewing the appliance's wiring diagram. If no voltage is present when the washer is in the drain cycle, it's likely the timer is defective and will need to be replaced.
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04 - Drain hose is clogged or kinked
Check to see if the drain hose is kinked or crushed. If your washer "dances" during cycles, it may have moved and kinked the hose. The drain hose could also be clogged with lint or hair. You can use a thin, long-handled brush to clean the hose.
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05 - Door lock or door latch obstructed
Remove any debris in the door lock or latch assembly. Any debris that is in the lock or latch can prevent the washer from working properly.
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06 - Obstructed Lid switch assembly or Door lock
Remove any debris in the door lock or lid switch assembly. Any debris that is in the lock or latch can prevent the washer from working properly.
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Frequently Asked Questions
Why won't my LG washer drain?
What should I check if my LG washer is not draining and the drain pump is noisy?
Could the control board or timer cause an LG washer not to drain?
Can a door lock or lid switch keep an LG washing machine from draining?
How do I find the correct LG washer drain pump or other replacement part?
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