Dell HR675 owner manual Troubleshooting System Cooling Problems, Troubleshooting a Fan, 145

Troubleshooting System Cooling Problems

Problem

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

Action

Ensure that none of the following conditions exist:

•System cover, drive blanks, or shrouds are removed.

•Ambient temperature is too high.

•External airflow is obstructed.

•Cables inside the system obstruct airflow.

•An individual cooling fan is removed or has failed (see "Troubleshooting a Fan" on page 145).

Troubleshooting a Fan

Problem

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

•Front panel LCD indicates a problem with the fan.

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

1Run the appropriate diagnostic test (see "Using Dell PowerEdge Diagnostics" on page 163).

2Turn off the system and attached peripherals, and disconnect the system from the electrical outlet and peripherals.

3Open the system (see "System Cover" on page 66).

4Locate the faulty fan indicated by the LCD display or diagnostic software. For the identification number of each fan, see "Cooling Fans" on page 106.

Troubleshooting Your System

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