Chapter 9 Hardware installation and configuration issues 73
LED Status
Type AC fault PCM OK Fan fault DC fault
N/A
Color Amber Green Amber Amber
State
Off AC power not present on either PCM
On* Off On* AC power not present on this PCM
Off On Off AC power present, power switch is on; PCM OK
Off On Off On* PCM fan speed is out of tolerance
Off On*
Off
PCM fan fault
On Off On* PCM hardware fault: over temperature, over voltage, over current
Off Flashing Off PCM is in standby mode
Flashing Off Flashing Firmware update to PCM in progress
Figure 55 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.