Psu Leds; Fan Cooling Module Leds; Ops Panel Leds; Psu Led States - Lenovo ThinkSystem DS Series Hardware Installation And Maintenance Manual

PSU LEDs

See Figure 28 (page 34)
Table 17 PSU LED states
CRU Fail AC Missing
(Amber) (Amber)
On Off
On On
Off Off
Off Off
Blinking Blinking
Off On
On On
On —

Fan cooling module LEDs

See Figure 29 (page 35)
Table 18 FCM LED descriptions
LED Status/description
Module Constant green indicates that the FCM is working correctly.
OK Off indicates the fan module has failed. Follow procedure in
Fan Fault Amber indicates the fan module has failed. Follow procedure in

Ops panel LEDs

The Ops panel displays the aggregated status of all the modules. See also
Table 19 Ops panel LED descriptions
LED
Unit ID Display
Power On/Standby
Module Fault
Logical Status
Drawer 0 Fault
Drawer 1 Fault
100 Troubleshooting and problem solving
for a visual description of the Power Supply Unit (PSU) module faceplate.
Power
(Green) Status
Off No AC power to either PSU.
Off PSU present, but not supplying power or PSU alert state.
(usually due to critical temperature)
On Mains AC present, switch on. This PSU is providing power.
Blinking AC power present, PSU in standby (other PSU is providing power).
Off PSU firmware download in progress.
Off AC power missing, PSU in standby (other PSU is providing power).
On Firmware has lost communication with the PSU module.
Off PSU has failed. Follow procedure in
for a visual description of the Fan Cooling Module (FCM) faceplate.
Status/description
Usually shows the ID number for the enclosure, but can be used for other purposes.
Amber if the system is in standby. Green if the system has full power.
Amber indicates a fault in a PSU, FCM, or IOM. Check the drawer LEDs for indication of
a disk fault. See also "Drawer LEDs" (page
Amber indicates a fault from something other than firmware (usually a disk, an HBA, or an
internal or external RAID controller). Check the drawer LEDs for indication of a disk
fault. See also "Drawer LEDs" (page
Amber is there is a disk, cable, or sideplane fault in drawer 0. Open the drawer and check
DDICs for faults.
Amber is there is a disk, cable, or sideplane fault in drawer 1. Open the drawer and check
DDICs for faults.
"Replacing a PSU" (page
"Replacing an FCM" (page
"Replacing an FCM" (page
Figure 32 (page
101).
101).
138).
140).
140).
38).