Siemens SINUMERIK 802S - Leds and Other Elements on CNC

Installing the Control System
SINUMERIK 802S base line
2-21
Start-Up
2.5 LEDs and Other Elements on CNC
Error and status LEDs
There are three LEDs on the front panel of the CNC.
Fig. 2-6 Operator panel and user interfaces
ERR (red)
Group error
This LED indicates an error condition of the CNC.
POK (green)
Power OK
The power supply is ready.
DIA (yellow)
Diagnostics
This LED indicates various diagnosis states. Under normal operating
conditions, this LED flashes 1:1.