How to Fix an LG Front load washer machine that wont spin

Diagnosing an LG frontload washer machine that wont spin. Also tells you how to get into the diagnostics mode. Diagnostic mode:Number of times play button pressed None=Turns on all lamps and locks door 1 times=tumble clockwise 2 times=Low speed spin 3 times=High speed spin 4 times=Inlet valve for prewash turns on 5 times=Inlet valve for mainwash turns on 6 times=Inlet valve for hot water turns on 7 times=Inlet valve for bleach turns on 8 times=Tumble counterclockwise 9 times=Heater turns on for 3 seconds 10 times=circulation pump turns on 12 times=Power off and unlock door