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LG Dishwasher How do you replace pump motor in the LG LDF 7810 dishwasher? Are there directions somewhere?

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  • scubasteve52 Oct 22, 2008

    Thank you very much for taking the time to respond. I will give it a try and let you know. Will a local repair shop be able to test the motor to see if it has failed?

  • scubasteve52 Oct 22, 2008

    Yes, there was an error code 'LE' on the display. Serial number 604KW00705.


  • scubasteve52 Oct 22, 2008

    This repair has fallen in my lap, as the homeowner, because the service company that has the contract with the extended warranty company could not fix it. They(contracted company) replaced the wiring harness, the control panel and still receive the error code. The contacted service company deemed the unit not repairable and I got a check for a new dishwasher. I still can't believe that the motor is not to blame based on what I have read on the internet. Basically this thing is not going to beat me. I have my new dishwasher, I got my check from the warranty company and now I'm going to fix this machine. Oh, by the way I did get the pump out and am on my way to get it checked out.

    If it is not the motor, then the lame service techs didn't replace the wiring harness properly. Who knows at this point. Thanks, again for your time and incredible service. This is a great resource!


  • Anonymous Mar 19, 2014




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Take the main wash arm off and the sump cover below it. Remove the part you'll find under that to gain access to the cutter blade attached to the end of the motor shaft. Remove blade but note that this is a LEFT HAND SCREW. Now lay dishwasher on it's side and remove screws and electrical plug to motor. Reverse procedure to install new motor. It's not really very difficult.

Posted on Oct 21, 2008

  • Carl Schulzetenberg
    Carl Schulzetenberg Oct 22, 2008

    Local repair shop should be able to test resistance of motor, but you didn't say why you wanted to replace the motor. Motor not running? Error code? Noisy? Other? Also, could you list the first three digits of your serial number?

  • Carl Schulzetenberg
    Carl Schulzetenberg Oct 22, 2008

    Your dishwasher may have a problem with the door insulation which can cause the LE error code. The serial number indicates that the insulation used in your dishwasher may soften, allowing the wires to become embedded in the black mastic insulating material and dissolve the insulation on some of the wires inside the door. Newer models are using a different insulation. Take the door apart and look to see if the wires are embedded in the black mastic insulation. The fix is to replace the door panel and wiring harness, which is not cheap or real easy, but you can just splice in new wires and put some thing in to keep the wires from contacting the black mastic on the door panel. The motor may be just fine. I've seen LE and other error codes with this issue, depending on which wires shorted out.



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Dishwashing cycle starts for about 3 minutes then flashing LE light comes on and the machine stops. Why?

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Wiring connection is OK?
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Check the wiring connection.
Replace the cause of restriction.
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