Axyz 4008 table amc controller older machine needs to correct spindle wring code issu

I could use some help machine has been very reliable for a long while. Today using the machine I needed to stop and reset depth. I may have hit a few wrong buttons on keypad I don’t know. . Spindle would not spin. Error 74. Turned off table and reset. Still no change. Looked online. Axyz website error codes say use function 990. In referring to manual it shows the prompts to go through. It says when entering f 990 go through prompts. Spindle wiring should say emop ( used to say tach). Then
Resting return it says someth8ng spindle and should say emop( per manual). Both say std( standard). I am able to use the plus minus key to change the second prompt but not the first

The function 29(??) I think gives you the flash drive it’s stuck in std

If anyone knows how to reprogram it and can walk me through it that would be so great I would appreciate it and happy to send off some kona coffee or macadamia nuts from Hawaii.

Thanks ,
Ben