5 Common LG Washing Machine Problems

LG washing machines are popular among customers. Not only are they built to last, but they offer a wide variety of different functions.

However, like anything else, LG washing machines can have problems from time to time.

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We’ve compiled a list of the 5 most common problems with LG washers and some possible solutions.

The information below can help you troubleshoot your own machine, hopefully saving money on costly repair calls.

Drain Pump Can Stop Working After 4-6 years

Has your LG washing machine stopped draining as it should? If so, you could be looking at an issue with the drain pump.

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Small objects or particles of clothing can sometimes get caught in the drain pump.

Sometimes you even can hear excessive noise coming from the drain pump. This first sign that the pump needs your attention.

To determine if the pump is blocked or malfunctioned, you’ll need to access it and see if there are any obstructions.

If you find items inside, remove them completely. If you don’t find any and the pump is either noisy or not turning on, you’ll need to replace the part.

Here’s how to locate and repair the drain pump:

  1. Disconnect the power to the washer
  2. Remove the two lower screws on the rear bracket that hold the top in position
  3. Pull the top back about an inch, lift straight up, and remove
  4. Take the soap drawer completely out
  5. Remove the screws that hold the soap housing in place
  6. Remove the screw on the right side of the control panel (if there is one)
  7. Remove the control panel by lifting it up and setting it on top of the machine
  8. Open the door on the bottom left corner of the washer, and set it aside
  9. Remove the drain hose and empty the water present. Set the hose aside
  10. Loosen the screw at the bottom of the drain clean out
  11. Remove the assembly
  12. Remove the final screw holding the front panel in place
  13. Open the washer door and remove the band clamp that holds the bellows in place
  14. Peel the boot away from the front panel and push into the washer opening
  15. Unplug the wiring harness from the bottom of the door lock assembly
  16. Close the door and remove the four screws across the top. Be sure to hold the front panel as you remove the last screw
  17. Remove the front panel and set aside
  18. Remove the hoses attached to the drain pump
  19. Loosen and remove the final screws on the front that hold the drain pump in place
  20. Lift the pump assembly out
  21. Disconnect the wiring harness and remember where the wires go
  22. Remove the screws that hold the pump motor to the pump body
  23. Take the cover off the existing motor
  24. Install the new pump motor and begin working backward to reassemble your machine

Motor Wire Harness Can Break

Another common issue with LG washing machines is you may notice weird noises during the spin cycle.

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This can be caused by issues with the wiring harness that’s connected to the motor.

Wires commonly break off due to vibration and this disrupts communication between the control board and the motor.

If this occurs you will need to locate the motor inside the washer and visually inspect all the wires.

If you find that a wire is burnt or broken, simply replace the wiring harness or repair the wire that’s broken, if possible.

Position Sensor Wire Can Break

The position sensor is important for communication with the control board. Because it sending the exact position of the motor.

If the wire becomes detached or broken, it can cause your LG washer to stop functioning properly.

Again, you’ll need to locate the wiring to the position sensor and check it for damages.

If you find any damages it will require you changing the wiring harness, or simply repairing the wire that’s broken.

Here’s how to replace this wiring harness:

  1. Disconnect the power and shut off the water supply
  2. Remove the hot and cold water supply lines from the inlet valve. Water will spill out
  3. Carefully tip the machine back so it’s laying on the rear panel
  4. Unthread the mounting nut for the rotor
  5. Carefully remove the rotor assembly
  6. Use a socket to remove the mounting bolts from the stator
  7. Disconnect the wiring harness
  8. Install the new wiring harness the same way you removed it
  9. Reassemble your machine

Water Inlet Valve Can Be Stuck OPEN

LG washing machines will begin overfilling with water due to calcium build up in the solenoid valve and thus valve can be stuck in OPEN position.

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This issue sometimes happens even when a washing machine is OFF

So, if you will see a lot of clear water in the drum on the next day after laundry, that’s a sign that something wrong with the inlet valve.

The first thing you will want to check is the inlet valve. These parts commonly fail, as they become stuck mechanically in an open position.

Here’s how to replace this part:

  1. Disconnect all power going to the washer
  2. Turn off the hot and cold water supply valves
  3. Remove the hoses from the inlet valve. Some water will spill out
  4. Remove the screws at the rear of the main top
  5. Slide the main top back about one inch, and lift up to remove
  6. Note the location of the solenoid wires to the old inlet valve and disconnect them
  7. Use pliers to remove the four hoses – remember where these go before pulling them off
  8. Remove teh mounting screws that hold the valve in place
  9. Pull the old valve out
  10. Install the new valve and move backward to reassemble your washer

Washer Inlet Valve Leaking Water on the Floor

Another common issue with the water inlet valve on an LG washing machine occurs when it begins leaking water on the floor.

This water may be coming from either the hot or cold inlet valve.

The water supply lines are under constant pressure, and when water solenoids worn out and not able to keep pressure, you will notice water leaking from them.

Before checking the water inlet valve, first make sure the hot and cold supply hoses are tightened securely. If you find they are loose, simply tighten and see if your problem is gone.

If you do this, and still see water leaking, follow the steps above to replace the water inlet valve because it’s probably faulty and stuck in an open position.

Have you encountered a common problem with your LG washing machine that we didn’t discuss here? What was the problem, and how did you fix it? Comment below, we’d love to hear what your issue was.

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