Intel SPSH4 Product Guide - Page 90

DC Power Supplies, Checking the Power Status LEDs

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DC Power Supplies The power supply bay accommodates up to three power supply modules. The bay contains a power distribution board (PDB) that manages the delivery of power from the power supply modules. Checking the Power Status LEDs Figure 26 shows the three power supply status LEDs. A B C OM10123 A Power LED C Fail LED B Predictive Fail LED Figure 26. Power and Standby LEDs Table 8 lists the LED states and the power supply status indicated by each state. Table 8. LED Power Supply Status Indicators Power (Green) Predictive Fail Fail (Amber) (Amber) Status Off Off Off No power to all power supplies. Off Off On Power supply failure or no power to this power supply. Blinking Off Off AC power present, standby outputs on. On Off Off Power supply on, DC outputs normal. On Off Blinking Current limit. On On or Blinking Off Imminent failure predicted; fan performance problem. ✏ NOTE If all power supply modules are functioning and all power cables from the power distribution board are properly connected to the baseboard and other components, but the server still won't power on, replace the power distribution board (page 117). 90 Intel SPSH4 Server Platform Product Guide

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90
Intel SPSH4 Server Platform Product Guide
DC Power Supplies
The power supply bay accommodates up to three power supply modules.
The bay contains a power
distribution board (PDB) that manages the delivery of power from the power supply modules.
Checking the Power Status LEDs
Figure 26 shows the three power supply status LEDs.
A
B
C
OM10123
A
Power LED
C
Fail LED
B
Predictive Fail LED
Figure 26.
Power and Standby LEDs
Table 8 lists the LED states and the power supply status indicated by each state.
Table 8.
LED Power Supply Status Indicators
Power
(Green)
Predictive Fail
(Amber)
Fail
(Amber)
Status
Off
Off
Off
No power to all power supplies.
Off
Off
On
Power supply failure or no power to this power supply.
Blinking
Off
Off
AC power present, standby outputs on.
On
Off
Off
Power supply on, DC outputs normal.
On
Off
Blinking
Current limit.
On
On or Blinking
Off
Imminent failure predicted; fan performance problem.
NOTE
If all power supply modules are functioning and all power cables from the
power distribution board are properly connected to the baseboard and other
components, but the server still won’t power on, replace the power
distribution board (page 117).