Siemens SIMATIC IPC847D Operating Instructions Manual page 23

Front status displays
WATCHDOG
TEMP
FAN
HDD0 ALARM
HDD1 ALARM
HDD2 ALARM
HDD | HDD3
ALARM **
All displays are
lit
* For unique labeling, the LAN interfaces are numbered on the enclosure. The numbering by the
** The HDD | HDD3 ALARM LED also displays the hard disk activity for all hard disks.
*** A hot-spare drive of a RAID system is not displayed.
SIMATIC IPC847D
Operating Instructions, 01/2014, A5E32997454-AA
WATCHDOG status
display
Internal temperature
monitoring
Fan status (only with
active DiagBase or
DiagMonitor software)
Hard disk alarm of the
HDDs integrated in
RAID in connection
with monitoring
software ***
Hard disk activity**
Hard disk alarm of the
HDDs integrated in
RAID in connection
with monitoring
software ***
BIOS post code
operating system may deviate from this.
Flashes slowly
Link status error
•
RED
IO controller: IO device cannot be
•
addressed
IO controller: Duplicate IP address
•
Flashes rapidly Exception error: diagnostics via Web or
RED SNMP is no longer possible
RED
Diagnostics information available
•
No communication established
•
OFF WATCHDOG not activated
GREEN WATCHDOG monitoring enabled
RED Monitoring time elapsed
OFF Internal temperature OK
RED Internal temperature critical
OFF Fan speed OK
RED Fan speed too low
OFF RAID is OK
One RED HDD0, HDD1 or HDD2 is not OK
All RED RAID not OK
(for information on locating the faulty
HDD, refer to the RAID system section)
All flashing RAID is synchronized
GREEN flashing Read or write access to the hard drive
OFF or GREEN RAID is OK
flashing
RED or HDD3 is not OK
RED/GREEN HDD3 is not OK and other HDDs are
flashing active simultaneously
All RED RAID not OK (for information on
locating the faulty HDD, refer to the
RAID system section)
GREE/RED RAID is synchronized
flashing
alternating
All lit CPU startup failure, Error in early POST
Overview
1.2 Design of the device
23