
AC model
DC model
6
4
1
2
5
4
1
3
2
AC PCM LEDs
DC PCM LEDs
3
LED
Description
Definition
1
PCM OK
Green—Power is on and input voltage is normal.
Off—Power is off or input voltage is below the minimum threshold.
2
Fan Fail
Off—The PCM is operating normally.
Amber — A fault has been detected or a service action is required.
3
AC Input Fail (AC PCM); or
DC input Fail (DC PCM)
Off—PCM is operating normally.
Amber—A fault has been detected or a service action is required.
4
PCM Fail
Off — The expansion module is operating normally.
Amber — A fault has been detected or a service action is required.
5
Battery Good
Battery not installed / non-operative
6
Battery Fault
Battery not installed / non-operative
Figure 51 LEDs: MSA 1060/2060/2062 Power and Cooling Module (AC/DC)
Under normal conditions, the PCM OK LEDs on redundant PCMs within the enclosure, will be illuminated solid green.
When a fault occurs, the colors of the LEDs will display as shown below.
PCM OK
(Green)
Fan Fail
(Amber)
AC or DC
Fail
(Amber)
PCM Fail (Amber)
LED behavior status
Off
Off
Off
Off
No AC or DC power on any PCM.
Off
Off
On
On
No AC or DC power on this PCM only.
On
Off
Off
Off
AC or DC power is present; PCM
is operating normally.
On
Off
Off
On
PCM fan speed is outside acceptable limits.
Off
On
Off
Off
PCM fan has failed.
Off
On
On
On
PCM fault (over temperature, over voltage, over current).
Off
Blinking
Blinking
Blinking
PCM firmware download is in progress.
Blinking
Off
Off
Off
Power is on, and in stand-by mode within the enclosure.
Table 28 PCM LED states
Battery condition LED states for the DC PCM are not provided because the battery is not installed or used by this
configuration.
MSA 1060/2060/2062 drive enclosure—rear panel layout
MSA 1060/2060/2062 controllers support the 3.5" 12-drive expansion enclosure and the 2.5" 24-drive expansion
enclosure for adding storage. The front panel of the 12-drive enclosure looks identical to the MSA 2060/2062 LFF and
80
Appendix A
LED descriptions