I turned on my LG built in LDS 5811WW dishwasher and it powered up. While pressing the settings to wash the power died and it won't come back to life. It was weird. I've checked all the outlet power sources so it is the dishwasher that is the problem. I've seen another post on this site suggesting to check the door switch. Is this suggesting the switch may be burned out? Would I need to remove the front panel of the dishwasher door to check the switch? I don't know where this is to check it. Can you help me please? Thanks!
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Re: LD Dishwasher power problem
On the LDS5811 model, I doubt very much that the door switch would cause a full failure.
If you are confident the power is live into the dishwasher, the most common failure with this symptom is a failed controller card (PCB) and will require a service call to LG.
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1. confirm there is power up to the dishwasher.
2. open electrical connection box on right side, behind toe kick panel, and hold one wire nut connector at a time while giving each individual wire a firm tug. All wires should remain connected. If not, correct poor connection.
3. dissassemble door and check door switches.
4. if all previous steps check out, you should have a red LED lit on the control board inside the door. If power to board, but no LED on, replace board.
Remove the front panel - In the crack where the top and
front meet about 2 inches over from each edge there are clips you push
in with a putty knife or flat blade screwdriver and the front releases
at the top and un hooks from the bottom. Now put washer in the spin
cycle. right in front at bottom is the motor and on top of the motor is
a silver colored part ( the inverter) look in between the motor and the
inverter on the right about 2 inches back - you should see a green
light that is flashing ( it may help to darken the room) Tell me how
many times it is flashing.
I am having a same problem. You can open dishwasher sump assembly from inside the dishwasher and check if something is blocking white impeller. I tried to open impeller and sheared screw head as I did't realized it is left handed screw. Even after cleaning impeller you still get problem, you need to check from bottom and see if something is stuck there. If all right and you are still getting error then it is time to replace motor. In my case I ordered entire sump assembly as my seals were also wornout. Sump assy cost $113 on Sears part direct.
The problem with the dishwasher acting haunted is probably the main controller card. If you don;t have an extended waranty, know that LG will cover the parts for free through 24 months but after 12 months, the labor will be charged.
If you are certain that the power is being delivered into the dishwasher and it is new / under warranty, I recommend that you do not crack open the dishwasher to search for the problem. You might void said warranty.
Contact the service number inside the owners manual and press for on-site resolution.
If you have confirmed power to dishwasher, you are pobably looking at a control board. I have only run into this one time on a LDS5811 so far. Parts on LG dishwashers have a two year warranty. You have to dissassemble the door to replace the part.