Troubleshooting enclosure cooling problems – Dell POWERVAULT MD1000 User Manual

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Troubleshooting Your Enclosure

Action

CAUTION:

Only trained service technicians are authorized to remove the enclosure cover and access any of the

components inside the enclosure. Before performing any procedure, see your

Product Information Guide

for

complete information about safety precautions, working inside the enclosure and protecting against
electrostatic discharge.

NOTICE:

It is recommended to power down the server before powering down the enclosure to prevent loss of

communication.

1 Check that at least two drives are present in the enclosure. A minimum of two drives must be installed.

If they are not, install the minimum number of drives. If the problem persists, go to step 2.

2 Locate the faulty power supply and determine the status of the LEDs.

If the AC Power LED is not lit, troubleshoot the power cord and power source into which the power

supply is plugged.

• Use a known good power source (outlet).
• Use a known good power cord.

If the DC power LED is not lit, verify that the power switch is turned on. If the power switch is turned

on, continue to step 3.
If the power supply's fault indicator is lit, continue to step 3.

NOTICE:

Power supply/cooling fan modules are hot-pluggable. The enclosure can operate on a single functioning

power supply; however, both modules must be installed to ensure proper cooling. A single power supply/cooling

fan module can be removed from the enclosure for up to 5 minutes, provided the other module is functioning

properly. After 5 minutes, the enclosure will overheat and may cause an automatic thermal shutdown.

3 Ensure that the power supply is properly installed by removing and re-installing it. See

NOTE:

After installing a power supply, allow several seconds for the enclosure to recognize the power

supply and to determine if it is working properly.

Troubleshooting Enclosure Cooling Problems

Problem

• Systems management software issues a fan-related error message.

Action

Ensure that none of the following conditions exist:

• Ambient temperature is too high.
• External airflow is obstructed.
• A power supply/cooling fan module has failed. See "Troubleshooting a Fan."