Siemens SIMATIC IPC847D - Page 23

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