hardware errors occur. If any of these codes persists for more than a second or two, or if you are
unable to resolve the error by following one of the prescribed troubleshooting procedures, contact
technical support.
Code
Indicates
22
No master boot record found on any boot device.
23
The internal flash disk is not connected.
2A, 2B
Stuck bus, unable to read DIMM SPD data.
40
Invalid DIMMs.
41
Invalid DIMMs.
42
Memory test failed.
51
SPD reading failure.
92 to 96
PCI bus initialization.
A0 to A3
SATA drive initialization.
AB
Alternate boot code.
AE
Booting OS.
EA
DDR4 training failed.
E8
No memory installed.
EU
The installation script was not found.
EP
Installation or communication with the E2800 controller has failed.
Related reference
Troubleshooting the hardware installation
If you encounter issues during the installation, you might find it helpful to review troubleshooting
information related to hardware setup and connectivity issues.
Related information
Hardware Installation and Maintenance Guide for SG5700 Appliances
29
Installing the hardware