Troubleshooting system memory, Troubleshooting a fan – Dell PowerEdge 1750 User Manual

Page 40

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l

 

Ambient temperature is too high.

l

 

External airflow is obstructed.

l

 

An individual cooling fan has failed. See "

Troubleshooting a Fan

."

Troubleshooting a Fan

Problem

l

 

System-status indicator is amber.

l

 

Systems management software issues a fan-related error message.

l

 

Fan status indicator indicates a problem with the fan.

Action

1.

 

Run the appropriate diagnostic test. See "

Using Server Administrator Diagnostics

" in "Running System Diagnostics."

 

 

2.

 

Open the system. See "

Opening the System Covers

."

 

3.

 

Locate the fan indicator that is blinking amber.

 

4.

 

Ensure that the faulty fan's power cable is firmly attached to the fan power connector. See "

Removing and Replacing System Fans

" in "Installing System

Options."

 

5.

 

If the problem is not resolved, install a new fan. See "

Removing and Replacing System Fans

" in "Installing System Options."

 

If the replacement fan is working properly, close the system. See "

Closing the System Covers

."

 

If the replacement fan does not operate, see "

Getting Help

."

Troubleshooting System Memory

Problem

l

 

Faulty memory module.

l

 

Faulty system board.

l

 

Amber system status indicators may indicate a problem with system memory.

Action

 

1.

 

Run the appropriate online diagnostic test. See "

Using Server Administrator Diagnostics

" in "Running System Diagnostics."

 

If the test fails, continue to the next step.

2.

 

Turn on the system and attached peripherals.

 

If an error messages does not appear, go to

step 12

.

3.

 

Enter the System Setup program and check the system memory setting. See "Using the System Setup Program" in your User's Guide.

 

If the amount of memory installed matches the system memory setting, go to

step 12

.

CAUTION:

Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See

your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against
electrostatic discharge.

CAUTION:

Redundant cooling is not supported. Replace a failed fan as soon as possible.

CAUTION:

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

NOTE:

The fan indicators are small LEDs located next to each fan power connector. A solid green LED means that the fan is operating correctly; a

blinking amber LED indicates a problem.

NOTE:

Wait 30 seconds for the system to recognize the fan and determine whether it is working properly.

CAUTION:

Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See

your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against
electrostatic discharge.

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