Hi, I am wondering about the LED indicators on Safety Control Box, especially the labeled Safety A and Safety B. When I turn on the robot using the teach pendent, the pendent shows the logo and then the screen remains black infinitely (it does not turn off). I opened the control box and checked the LED indicators as shown below.
I think that the robot failed to turn on due to a safety error indicated by LEDs. I am curious about the meaning of the Safety A and B indicators and If I can fix them.
Thanks.