Dell PowerVault MD1000 Hardware Owners Manual - Page 47
Troubleshooting Enclosure Cooling Problems - software
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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 "Removing and Installing the Power Supply/Cooling Fan Module." 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. 4 If the problem persists, see "Getting Help." 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." Troubleshooting Your Enclosure 47