Backup Power Supply LED Flashes Green and Amber

Description

BPS LED displays green and amber, with or without an audible alarm.

Cause

Probable causes may be:

 

• Flash upgrade is in progress

 

• BPS is in bootloader mode

Workaround

If a flash upgrade is in progress, (slow alternating pattern between

 

green and amber) wait for about 10 minutes—After a service pack

 

upgrade procedure or a BPS module replacement procedure, a BPS

 

firmware upgrade may be required and is performed automatically

 

by the NAS appliance after the service pack upgrade reboot.

 

NOTE: During a firmware upgrade, do not disconnect the ACin cable

 

or USB cable on the BPS module.

 

If the BPS LED is in bootloader mode (fast alternating pattern

 

between green and amber):

 

1 Verify that ACin cable is connected to the BPS.

 

2 Verify that USB cable between the BPS module and NAS

 

appliance controller is connected.

 

3 Reboot the NAS appliance controller connected to the BPS.

 

 

Backup Power Supply Displays a Blinking Amber LED

Description

BPS LED is blinking amber.

Cause

A blinking amber LED indicates that the BPS is on battery power

 

due to loss of utility power, but not yet in low battery mode (when

 

charge is below 30%).

Workaround

• Locate the BPS that has a blinking amber LED in the rack.

 

Check the back of the BPS and verify that corresponding BPS

 

module has the ACin cable plugged in and other end of the cable

 

is plugged into the utility power.

 

• Verify the utility power is present.

 

 

Troubleshooting

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Dell NX3500 manual Backup Power Supply LED Flashes Green and Amber, Backup Power Supply Displays a Blinking Amber LED, 177

NX3500 specifications

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