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• Two fan trays are installed.
To test the power supplies and fan trays:
Step
Task
With the fan trays and DC PEMs installed, power on the system.
1
• Flip the over-current protector (located on the PEM front panel) to the ON position.
Power Supply Status LEDs should be green. The LED is unlit when the system is off or blinking green when the
2
system is booting. During boot, the blinking green LED may switch to blinking amber until the RPM boot is
complete.
• Check that the units are properly installed and are plugged into the correct slot.
• Verify the power source
• If the LED remains unlit or is blinking amber after the system has booted, replace the power supply.
Both fan tray LEDs should be green (online). blinking green fan tray LED indicates that the system is booting.
3
During boot, the blinking green LED may switch to blinking amber until the RPM boot is complete. If a fan tray
is not operating properly or air is not flowing through the chassis:
• Power off the chassis at the remote power source.
• Ensure that all fan trays are properly installed.
• Verify the remote power source.
• If a fan tray LED is unlit or is blinking amber after the system has booted, replace the fan tray.
After you have verified the power and fan operability, power off the chassis to continue the installation process.
4
De-energize the Main Disconnect and flip the over-current protector to the OFF position.
5
Verify that the LEDs are not lit.
6
Installing DC Power Supplies
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