Siemens SINUMERIK 840DE SL

Service and diagnostics
5.2 Evaluation of the 7-segment display
PCU-Basesoftware (IM8)
Commissioning Manual, 02/2014, 6FC5397-1DP40-4BA0
123
Meaning of status codes
● During system power-up:
LED H1
LED H2
7-segment
display
Status
Orange Orange Output of
BIOS post
codes
After switching on the system
Orange
Off
After cycling the BIOS
Orange
Off
After starting Windows
1 0 Start Windows Load device drivers needed for
the Windows start
2 0 PCU hardware service
The PCU hardware service has
been started.
5 0 Network Wait for network interfaces to
be ready.
8
0
TCU support test step 1
Wait for FTP server to start
9 0 TCU support test step 2 Wait for boot server to start for
TCU network boot and for TCU
hardware service to start
A 0 TCU support test step 3 Wait for VNC server to start
B
0
HMI manager
Wait for HMI manager to start
E 0 PCU base software General fault: see Windows
"Event Viewer"