Travel limit fault of smart motor

hi
i'm sorry can't well english.

i have smart motor, and using labview, RS232 this smart motor have error.

smart motor power on -> PWR/SERVO LED solid red on -> this led status due travel limit fault

only way to resolve this to green is to open the SmartMotor interface PlayGround or command set A,V,P,G.

but after motor turn off, again motor turn on, then red led on again.

how can turn led red to green?

and what is the travel limit fault?

i attatch smart motor description link, travel limit fault is on page 130
[ https://stevenengineering.com/pdf/17CABLE_CBLSM1-3M.pdf ]
help me plz