Reset Button; 7-Segment Display - Siemens SINUMERIK 840D sl Manual

Operating and display elements

5.4 Reset button

5.4 Reset button
Performing a reset operation
The RESET button is located behind the blanking plate.
A reset operation resets the entire system and requires a system restart. This is comparable
to a "Power On reset" except that the 24 V power supply does not have to be switched off.
5.5

7-segment display

Displaying messages
The 7-segment display is located behind the blanking plate of the Control Unit. It serves as a
status display during startup and performs the following tasks:
● Output of test and diagnostic messages.
● Output of status messages during booting
Critical messages
● During normal operation, "6" appears here and the dot flashes.
● An "8" indicates that the fan is defective or that the Control Unit is operating without a fan.
Additional references
/IDsl/ Commissioning Manual CNC Part 1 (NCK, PLC, Drive)
40
Manual, 07/2007, 6FC5397-0AP10-2BA0
NCU