Power Cooling Module LED Indicators

The LED indicators on the power cooling modules provide power activity status, fan and temperature fault conditions, and firmware upgrade status.

The following figure shows the power cooling module LEDs.

Figure 1: Power cooling module LEDs

Legend

1 Status indicator	3 Fan fail indicator
2 AC fail indicator	4 DC output fail indicator

The following table provides status information on the power cooling module LEDs.

Table 1 Drive Enclosure LED status and description (power cooling module)
Status	Status indicator (green)	Fan fail indicator (amber)	AC fail indicator (amber)	DC fail indicator (amber)
AC power is not available on either power cooling module.	Off	Off	Off	Off
AC power is not available on this power cooling module.	Off	Off	On	On
AC power is present, and the status of the power cooling module is normal.	On	Off	Off	Off
The power cooling module fan is outside of acceptable limits.	Off	On	Off	Off
The power cooling module fan failed.	Off	On	Off	Off
A fault is present (over temperature, over volts, over current).	Off	On	On	On
The power cooling module is in standby mode.	Flashing	Off	Off	Off
The power cooling module is downloading firmware.	Off	Flashing	Flashing	Flashing