Dell R805 owner manual Troubleshooting System Cooling Problems, Troubleshooting a Fan, 149

Troubleshooting System 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.

•Cables inside the system obstruct airflow.

•An individual cooling fan has failed. See "Troubleshooting a Fan" on page 149.

Troubleshooting a Fan

Problem

•System-status indicator is amber.

•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 of the 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 Server Administrator Diagnostics" on page 161.

2Open the system. See "Opening and Closing the System" on page 70.

CAUTION: The cooling fans are hot-pluggable. To maintain proper cooling while the system is on, only replace one fan at a time.

3Locate the faulty fan indicated by the LCD display or diagnostic software. For the identification number of each fan, see Figure 3-9.

Troubleshooting Your System

149