96 Chapter 10 In-service field maintenance for 2U enclosures
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 70 Power cooling module fault LEDs
The 580W AC PCM input voltage range is from 100-240 VAC with an input frequency of 50-60 Hz. Each PCM
uses 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.