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We have an lg dishwasher which will run and shut off then will not power back on unless you unplug the left hand display board, when you plug it back in then power returns for one more cycle. Our customer changed the main board already and the same problem occurs.

Any suggestions would be appreciated! We are thinking about ordering that left hand board.

Thanks!

Model Number
Ldf7551st
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Hello

See service bulletin below : 
             If need to change a defective part of Control Panel assembly for service. The control plate is changed, so touch sensitivity is also changed. Touch Button may not operate or operate too sensitive, If only one of part of Control Panel assembly is changed.  Change Control Panel Sub assembly and Display PCB assemblies together as an assembly.  Matt Ace technician 
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