LGHB2869TF6 Lights on inside both refrig and freezer but control panel
Lights on but control panel is dark and won't dispense water or ice
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Here's the service data sheet that will help.
Check if there's +12V DC between the J7 connector pins 1 and 3 on the user interface control board.
If there is then the problem is in the display control board.
If not check if there's 12V DC between J9 (or J11) pins 1 and 4 on the main control board.
If there is then it's a wiring problem between the two boards.
If not then there's a problem on the main control board
Here's a video that may help to access the user interface control board.
If the user interface board is faulty, search online for 5304513303 to find suppliers that suit you best. (this is the manufacturer's part number for your board
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