Komatsu Pc35 runs but won’t operate as if the safety lever were up

[Jonnylinngo]

It starts and runs, but the joysticks don’t do anything, and the tracks won’t move as if the handle were still up

 

[BluewaterLa]

Check each switch for the safety levers, they can get corroded, stick or break
check the harness connections for corrosion.
most common faults for this issue.