Installation Manual

40 en | Maintenance DSA E-Series (E2800 12-bay)
2018.02 | V1 | DOC Installaton manual Bosch Sicherheitssysteme GmbH
8.3.2 Seven-segment display codes when controller turns on
The following table describes the seven-segment codes that are displayed when the controller
turns on:
Code Description
0xEA DDR4 training failed
0xE8 No memory installed
0x22 No master boot record found on any boot
device
0x23 No SATA drive installed
0xAE Booting OS
0xAB Alternate boot code
0x40 Invalid DIMMs
0x41 Invalid DIMMs
0x42 Memory test failed
0x2A, 0x2B Stuck bus, unable to read DIMM SPD data
0x51 DIMM SPD read failure
0xA0, 0xA1, 0xA2, and 0xA3 SATA drive initialization
0x92 - 0x96 PCI bus initialization
8.3.3 Seven-segment display use cases
The following table shows seven-segment display use cases and the sequence that is
displayed in each case:
Use case Display sequence
Controller power-on
– Normal power-on controller insertion SE 88 blank
– Controller inserted while held in reset
Operational states
Normal operation xy (static controller tray ID)
Start-of-day (SOD) processing OS Sd blank
The controller is placed in reset while
showing the tray ID
OS OL blank
The controller is operating on batteries
(cache backup)
OS bb blank
The CPU temperature has exceeded the
warning level
OS OH blank
Component failure when the controller is operational
Failed host interface card (HIC) OS CF HX blank