does both sides fail? I would say it's something with your wiring.
Try swapping the cables, also you can do a short in each key socket to simulate a key press but removing the possibility of a bad switch.
And check again if all the cables are connected were they are supposed to be
does both sides fail? I would say it's something with your wiring.
Try swapping the cables, also you can do a short in each key socket to simulate a key press but removing the possibility of a bad switch. And check again if all the cables are connected were they are supposed to be