Cannot change the preheat temp. Stuck on 285. Anything that can help that?
Model Number
        Nx58h9500ws
    - Guest asked 8 years ago
Hello
                Run  the unit throgh the diagnostic mode,  it will let you see the error codes . See diagnostic link bellow. If you cannot get the unit ito the diagnositc mode you have a defective main PCB . Matt Ace technician  
Video Link
        
    - AV Repair Help answered 8 years ago
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