Troubleshooting System Cooling Problems; Troubleshooting A Fan - Dell PowerEdge HR675 Hardware Owner's Manual

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:
Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
1 Run the appropriate diagnostic test (see "Using Dell PowerEdge
Diagnostics" on page 163).
2 Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet and peripherals.
3 Open the system (see "System Cover" on page 66).
4 Locate the faulty fan indicated by the LCD display or diagnostic software.
For the identification number of each fan, see "Cooling Fans" on page 107.
Troubleshooting Your System
145