Dell R220 Owner's Manual Page 71
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Troubleshooting The Power Supply
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. Reseat the power supply by removing and reinstalling it.
NOTE: After installing a power supply, allow several seconds for the system to recognize the
power supply and to determine if it is working properly.
2. If the problem persists, see Getting Help.
Troubleshooting Cooling Problems
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.
Ensure that none of the following conditions exist:
• System cover, cooling shroud, EMI filler panel, memory-module blank, or back-filler bracket is
removed.
• Ambient temperature is too high.
• External airflow is obstructed.
• A cooling fan is removed or has failed.
• The expansion card installation guidelines have not been followed.
Troubleshooting Cooling Fans
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. Open the system.
2. Reseat the fan or the fan's power cable.
3. If the fan functions properly, close the system.
If the problem persists, see Getting Help.
71
- Dell PowerEdge R220 1
- Owner's Manual 1
- Notes, Cautions, and Warnings 2
- Contents 3
- About Your System 7
- NIC Indicator Codes 10
- Related Documentation 10
- Quick Resource Locator 11
- Choosing The System Boot Mode 13
- Entering System Setup 14
- System Setup Options 15
- Memory Settings Screen 16
- Processor Settings Screen 16
- System Information Screen 16
- SATA Settings Screen 17
- Boot Settings Screen 18
- Integrated Devices Screen 18
- Serial Communications Screen 19
- System Security Screen 20
- Miscellaneous Settings 21
- Embedded System Management 25
- Changing The Thermal Settings 26
- Installing System Components 27
- Opening The System 28
- Inside The System 29
- Chassis Intrusion Switch 30
- Optical Drive (Optional) 31
- Installing The Optical Drive 32
- Hard Drives 33
- LED Module 40
- Control-Panel Board 41
- Cooling Fans 43
- Installing A Cooling Fan 44
- Cooling Shroud 45
- System Memory 46
- Sample Memory Configurations 47
- Removing Memory Modules 48
- Installing Memory Modules 49
- Removing An Expansion Card 52
- Installing An Expansion Card 53
- System Battery 57
- Processor 58
- Installing The Processor 60
- Power Supply Unit 61
- System Board 63
- Installing The System Board 64
- Troubleshooting Your System 67
- Troubleshooting A NIC 68
- Troubleshooting A Wet System 69
- Troubleshooting Cooling Fans 71
- Troubleshooting System Memory 72
- Troubleshooting An SD Card 73
- Troubleshooting A Hard Drive 74
- Troubleshooting The Processor 76
- Using System Diagnostics 77
- Jumpers And Connectors 79
- System Board Connectors 80
- Technical Specifications 83
- System Messages 87
- Warning Messages 96
- Diagnostic Messages 96
- Alert Messages 96
- Getting Help 97
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