Dell PowerVault MD2460 Manuel du propriétaire - Page 29

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● If the Mini-SAS status LED is solid amber, it indicates that the port link is working, but at a degraded speed. It can

happen when a SAS4 enclosure port is connected to a SAS3 HBA.

See

EMM indicators and ports

4. If the problem persists, see the

Troubleshooting enclosure cooling problems

Ensure that none of the following conditions exist:

● Ambient temperature is higher than the system specific ambient temperature.

● External airflow is obstructed.

● A power supply unit is removed or has failed.

If the problem persists, see the

Troubleshooting the PSU

If a PSU fails, check the following causes:

1. Locate the faulty PSU and determine the status of the LEDs. See

a. If the AC power input LED is off:

● Check the power cable and the power source into which the power supply is plugged.

● Connect another device to the power source to verify that the power source is working.

● Connect the cable to a different power source.

● Replace the power cable.

b. If the DC power output LED is off:

● Verify that the PSU is inserted properly.

● Reseat the power supply by removing and reinstalling it. See

NOTE:

○ The PSUs are hot-swappable. Leave the enclosure powered on when replacing a PSU.

○ When performing hot-plug operations, ensure that you follow all electrostatic and thermal guidelines.

○ After installing a PSU, allow several seconds for the enclosure to recognize the PSU and to determine if it is

working properly.

2. If the problem is not resolved, swap or replace the PSU with a known good PSU.

3. If the problem persists, see the

Troubleshooting the EMM

If an EMM fails, check the following causes:

1. Locate the faulty EMM and determine the status of the LEDs. See

LEDs.

a. If the EMM Status LED is blinking amber:

Turn off the enclosure.

ii. Remove the EMM and verify that the pins on the EMM are not bent. See

NOTE:

Ensure that you follow all electrostatic and thermal guidelines. It ensures that system functions properly

and prevents bodily injury to the operating person.

iii. Reinstall the EMM and wait for 30 seconds. See

iv. Turn on the enclosure.

v. Check the EMM Status LED.

b. If the EMM Status LED is still blinking amber:

● Download the latest firmware version from

supported firmware version.

2. If the problem is not resolved, swap or replace the EMM with a known good EMM.

3. If the problem persists, see the

for more details.

Getting help

section.

Getting help

section.

Getting help

section.

dell.com/support

Getting help

section.

PSU indicators

Power supply unit

EMM indicators and ports

Install the

EMM.

and update the firmware on both EMMs to the latest

for more details of the PSU LEDs.

to know how to replace a PSU.

for more details of the EMM

Remove the

EMM.

Troubleshooting