Table 7-2 Status codes of the diagnostics display during operation
LED H1 LED H2 7-segment
display H1/H2
Status
Flashing
green
-- 0 0 OK
Flashing red -- Error:
1 0 Temperature alarm Housing or CPU temperature;
temperature above limit value
(SOM error)
2 0 Fan alarm Housing or CPU: Low fan
speed or fan failure (SOM error)
3 0 Hard disk alarm S.M.A.R.T hard disk error
6 0 VNC server failure or VNC serv‐
er service stopped
Table 7-3 Status codes of the diagnostics display during the shutdown process
LED H1 LED H2 7-segment
display H1/H2
Status
Flashing red/
green
-- 5 0 Shutdown in progress
Service and diagnostics
7.2 Evaluation of the diagnostic displays H1/H2
PCU Base Software (IM10)
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1 157
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