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Overview
1.2 Design of the device
SIMATIC IPC627D/827D
Operating Instructions, 09/2014, A5E32990859-AB
17
1.2.3
Removable drive bay status displays
RAID status display in removable drive bay
Display
Meaning
LED
Description
LED
①
"HDD0 ALARM"
LED
②
"HDD1 ALARM"
HDD alarm in connection
with RAID and monitoring
software
Both off
RAID is OK
LED
①
lights up red
HDD0 is not OK
LED
②
lights up red
HDD1 is not OK
Both light up
red
RAID is not OK
For information on locating the
hard disk, see section
"Displaying a defective hard
disk of a RAID system in the
RAID software".
Both flash
RAID is synchronizing