Figure 54 Power Cooling Module Fault Leds - Seagate Exos X 4006 Series Hardware Installation And Maintenance Manual

LED
Type AC fault
Color Amber
On*
Off
Off
State
On
Off
Flashing
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.
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 54 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 OK
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
Chapter 9 Hardware installation and configuration issues
78