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Customer Questions and Answers for Sensor Assembly by Lg

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Manufacturer Part
4.89 (64)
By: Lg
Part Number: OEM21045243
Manufacturer Part Number: 6501KW2002B

The Sensor Assembly is an OEM part for LG washing machines. This component is crucial for detecting and monitoring various conditions within the washing machine, such as water level, temperature, and load balance. It ensures the machine operates efficiently and effectively by providing accurate data to the control board.

Causes of a bad sensor assembly can include wear and tear from regular use, exposure to water and detergents, electrical malfunctions, or damage from impact. A faulty sensor assembly can lead to incorrect readings, which can affect the washing machine’s performance and lead to issues such as improper water levels or unbalanced loads.

Symptoms of a bad Sensor Assembly include:

  • Incorrect water levels during cycles
  • The washing machine stopping mid-cycle or not completing cycles
  • Error codes related to water level or load balance
  • The machine failing to start or operate correctly

This OEM LG part is also compatible with Sears/Kenmore models.

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Questions & Answers

For Lg Sensor Assembly (Part Number: OEM21045243)

1 Answer

Hello Jill, While it is common for the RPS to fail, it is also common for the harness to develop a poor electrical connection. For a more in-depth diagnosis, we would need to ask you to please post a new question including the model number from your units' I.D. tag. Thank you for your patience and understanding in this matter.

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1 Answer

Anne, LE is going to indicate a locked motor error. With the power disconnected from the outlet, the connections at the control and the motor will need to be verified that they are properly secure and the wires will need to be inspected for any breaks. If the wires check good, then the rotor AHL72914401 will need to be inspected for any cracks or breaks and replaced if damaged. If the rotor checks good, the stator 4417EA1002Y windings will need to be tested. The terminals on the stator will need to be tested from terminal 1 to 2, 1 to 3, and 2 to 3 and each set should read between 5 to 15 ohms. If the stator windings do not read within the tolerance, it will need to be replaced. If all of these items check good, then there is a failure within the main control EBR78534503.

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James for Model Number WM2301HR

I have a front load LG model WM2301HR. The drum was turning one way, but not the other and had a slight electrical smell. Then it stopped turning at all. After doing some checking it seems that it would be the rotation position sensor as far as the drum turning, but would it being on it's last leg cause the electrical smell? I'm assuming it may have been the motor trying to turn it, but something with the senor not working made the motor have to work even harder or would there be another reason? I get the RPS tomorrow and hope that will fix it, but wanted to ask about the electrical smell.

1 Answer

James, it is possible that the RPS switch caused the electrical smell, however it should not have influenced the motor rotating in each direction. You may want to test the resistance of the motor windings for a resistance of 5 to 15 ohms between pins 1, 2, and 3 when tested to each other (i.e. pin 1 to pin 2 should read between 5 to 15 ohms). You may also want to verify that the electrical smell is coming from that section of the washer.

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1 Answer

Rande, The video is for a general idea of the part location and how to replace. The sensor on yours is still at the stator so the rotor will have to be removed. Simply tilt the washer back to gain access to the rotor and the stator. I sent you an email with removal procedure.

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1 Answer

Thomas, Unfortunately we do not have an amp reading for the motor but should be receiving 120 vac to it.

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1 Answer

Leslie, it may take an impact wrench to remove the bolt you are talking about. There is loc-tite on the bolt, if you have someway of heating the bolt that may help loosen it.

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