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Power cooling module fault LEDs
The 580W power cooling module (PCM) has 4 LEDs to identify various states. When no LEDs are on, there is no AC power to
the PCM. The asterisk (*) indicates a fault condition.
LED
Type
AC fault
Color
Amber
On*
Off
Off
State
On
Off
Flashing
5U84 enclosure fault LEDs
Visually inspect the front panel area for fault LEDs, then locate the component fault LEDs, based on general location identified
on the operator's panel or the drawer indicators. This is the only option available. An asterisk (*) indicates a fault condition.
Operator's panel fault LEDs
The operator's (ops) panel uses several green and amber LEDs to identify various states. Use the amber fault conditions
identified on the operator's (ops) panel to direct you to the fault LEDs on suspect modules. The asterisk (*) indicates a fault
condition.
60 Chapter 8 Hardware installation and configuration issues
PCM OK Fan fault DC fault
Green
Amber
Amber
Off
Off
On*
On
Off
On
Off
On*
Off
On*
Off
Off
On*
Flashing
Off
Off
Flashing
Figure 38 Power cooling module fault LEDs
Status
N/A
AC power not present on either PCM
AC power not present on this PCM
AC power present, power switch is on; PCM functional
PCM fan speed is out of tolerance
PCM fan fault
PCM hardware fault: over temperature, over voltage, over current
PCM is in standby mode
Firmware update to PCM in progress
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