MEN BL70S, User Manual

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Functional Description
20BL70S00 E3

2018-06-11 Page 45
3.4.3 Status LEDs
3.4.3.1 CPU Board Status LED
Table 8. General status LEDs at front panel
Error Codes
In case of an error, the LED displays the following error messages by repeatedly flashing
n times, then pausing for one second, and then repeating the error code:
Table 9. Error codes signaled via status LED flashes
3.4.3.2 Software Support
Supervision and management functions are accessible by software.
Label Color Function
2 Yellow Indicates BL70S status messages:

On: BL70S firmware starting

Off: BL70S is switched off

Blinking: BL70S is in stand-by (S3) status

Blinking with n flashes: Error code
During normal operation the LED can be switched on and
off using software.
Number of Flashes Error
1 +3.3 V failure
2 Input voltage failure
3 External power supply failure
4 CPU too hot
5 BL70S firmware timeout
>5 Internal error
See the ACPI Specification for more details on the power states S0 to S5:
Advanced Configuration and Power Interface Specification Version 6.1
January, 2016
Unified EFI Forum
uefi.org/specifications

See Chapter 2.7 Using the BL70S under Windows on page 32 and Chapter 2.8 Using
the BL70S under Linux on page 35 for details on using MEN driver software.

See Chapter 4.3 BMC API (Application Programming Interface) on page 66 for a
detailed documentation of the BMC API.