Seven-Segment Display Codes When Controller Turns On - Lenovo ThinkSystem DE Series Hardware Installation And Maintenance Manual

Category
Startup error
Operational error
Operational state
Component failure
Diagnostic failure
Category delimiter
End-of-sequence delimiter

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
0xEA
0xE8
0x22
0x23
0xAE
0xAB
0x40
0x41
Category code
SE
OE
OS
CF
dE
--
The double hyphen (--) is the
separator between category-detail
code pairs when more than one pair
exists in the sequence.
Blank; display turns off at the end of a
sequence
Description
DDR4 training failed
No memory installed
No master boot record found on any boot device
No SATA drive installed
Booting OS
Alternate boot code
Invalid DIMMs
Invalid DIMMs
Detail code
• 88: Power-on default
• dF: Power-on diagnostic fault
• Sx: Power-on validation error
• Lx: Lock-down codes
See "Seven-segment display lock-
down codes" on page 185.
• OL: Offline
• bb: Battery backup (operating on
batteries)
• OH: CPU temperature exceeds
the warning level
• CF: Component failure
• dx: Processor or cache DIMM
• Cx: Cache DIMM
• Px: Processor DIMM
• Hx: Host interface card
• Fx: Flash drive
• bl: Base controller card
• Lx: Lock-down codes
See "Seven-segment display lock-
down codes" on page 185.
.
Chapter 5 System monitoring
183