Cooling Module Leds; Psu Led States; Cooling Module Led Descriptions - IBM 084 Installation And User Manual

Table 4. PSU LED states
PSU Fail
(Amber)
Off
On
Off
Off
Flashing
Off
On
On

Cooling module LEDs

Figure 22. Cooling module LEDs
Table 5. Cooling module LED descriptions
LED
Module OK
Battery Fault
Fan Fault
30 IBM ESS expansion: Installation and User Guide - Model 084
AC Missing Power (Green)
(Amber)
Off Off
On Off
Off On
Off Flashing
Flashing Off
On Off
On On
- Off
Description
Constant green indicates that the fan is working correctly. Off means the fan
has failed. Follow the procedure in "Replacing a Cooling Module."
Not currently used.
Amber indicates that a fan has failed. Follow the procedure in "Replacing a
Cooling Module."
Status
No AC power to either PSU.
PSU present, but not supplying power or PSU
alert state (usually due to critical temperature).
Main AC present, switch on. This PSU is
providing power.
AC power present, PSU in standby (other PSU
is providing power).
PSU firmware download
AC power missing, PSU in standby (other PSU
is providing power).
Enclosure management software has lost
communication with the PSU.
PSU has failed. Follow the procedure in
"Replacing a Power Supply Unit (PSU)."