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How to fix LG dishwasher HE error code?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

There can be many reasons for an LG dishwasher error code. The most common reason is a blockage in the dishwasher's drain system. This can be caused by food debris, grease, or other objects. If the dishwasher is not draining properly, the error code will be displayed. Other possible reasons for the error code include a problem with the water inlet valve, the dishwasher's heating element, or the dishwasher's main control board.

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  • lg dishwasher error code he
  • lg dishwasher he error code

1. Clean the dishwasher filter

  1. Open the dishwasher door and remove the filter.
  2. Clean the filter with a soft cloth and a mild soap.
  3. Replace the filter and close the dishwasher door.
  4. Test the dishwasher by running a cycle.

2. Clean the dishwasher drain

  1. If the dishwasher is not operational, turn it off at the breaker.
  2. Open the dishwasher door.
  3. Remove the dishwasher drain hose by unscrewing it from the dishwasher drain connector.
  4. Remove any food and debris from the dishwasher drain.
  5. Pour a pot of hot water into the dishwasher and wait until it comes to a boil.
  6. Pour the hot water into the dishwasher drain and let it flow into the dishwasher.
  7. Turn off the water and disconnect the dishwasher drain hose from the dishwasher drain connector.
  8. Use a plunger to suction the dishwasher drain clean.
  9. Replace the dishwasher drain hose by screwing it on to the dishwasher drain connector.
  10. Replace the dishwasher drain by screwing it on to the dishwasher drain connector.

3. Replace the dishwasher pump

  1. Remove the dishwasher door.
  2. Remove the dishwasher pump.
  3. Remove the dishwasher housing.
  4. Remove the dishwasher pump seal.
  5. Replace the dishwasher pump seal.
  6. Replace the dishwasher pump.

4. Replace the dishwasher control board

  1. Remove the front panel of the dishwasher.
  2. Remove the screws that hold the dishwasher control board in place.
  3. Remove the control board from the dishwasher.
  4. Replace the control board with a new one.