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Table 3. Power-supply LEDs
Power-supply LEDs
Description Action NotesAC DC Error
Off Off Off No ac power to
the server or a
problem with the
ac power source
1. Check the ac power to the server.
2. Make sure that the power cord is
connected to a functioning power
source.
3. Turn the server off and then turn the
server back on.
4. If the problem remains, replace the
power supply.
This is a normal
condition when no
ac power is present.
Off Off On No ac power to
the server or a
problem with the
ac power source
and the power
supply had
detected an
internal problem
1. Replace the power supply.
2. Make sure that the power cord is
connected to a functioning power
source.
This happens only
when a second
power supply is
providing power to
the server.
Off On Off Faulty power
supply
Replace the power supply.
Off On On Faulty power
supply
Replace the power supply.
On Off Off Power supply not
fully seated,
faulty system
board, or faulty
power supply
1. Reseat the power supply.
2. If the system-board error LED is not lit,
replace the power supply.
3. (Trained service technician only) If
system-board error LED is lit, replace
the system board.
Typically indicates
that a power supply
is not fully seated.
On Off or
Flashing
On Faulty power
supply
Replace the power supply.
On On Off Normal operation
On On On Power supply is
faulty but still
operational
Replace the power supply.
Chapter 5. Diagnostics 89
- Hardware Maintenance Manual 1
- Contents 5
- Contents v 7
- Chapter 1. About this manual 9
- Electronic Equipment (EEE) 11
- Chapter 2. Safety information 13
- Safety statements 16
- Features and technologies 23
- Specifications 25
- Software 26
- EasyStartup 27
- EasyManage 27
- Chapter 4. General Checkout 29
- Diagnosing a problem 30
- Undocumented problems 33
- Chapter 5. Diagnostics 35
- Chapter 5. Diagnostics 29 37
- POST error codes 38
- Chapter 5. Diagnostics 31 39
- Chapter 5. Diagnostics 33 41
- Chapter 5. Diagnostics 35 43
- Chapter 5. Diagnostics 37 45
- System-event log 46
- Chapter 5. Diagnostics 39 47
- Chapter 5. Diagnostics 41 49
- Chapter 5. Diagnostics 43 51
- Chapter 5. Diagnostics 45 53
- Chapter 5. Diagnostics 47 55
- Chapter 5. Diagnostics 49 57
- Chapter 5. Diagnostics 51 59
- Chapter 5. Diagnostics 53 61
- Chapter 5. Diagnostics 55 63
- Chapter 5. Diagnostics 57 65
- Chapter 5. Diagnostics 59 67
- Chapter 5. Diagnostics 61 69
- Chapter 5. Diagnostics 63 71
- Troubleshooting tables 72
- DVD drive problems 72
- General problems 73
- Hard disk drive problems 73
- Intermittent problems 74
- Chapter 5. Diagnostics 67 75
- Memory problems 76
- Microprocessor problems 77
- Monitor problems 78
- Chapter 5. Diagnostics 71 79
- Optional-device problems 80
- Power problems 81
- Serial port problems 82
- Software problems 83
- EasyLED diagnostics 84
- Chapter 5. Diagnostics 77 85
- Chapter 5. Diagnostics 79 87
- Chapter 5. Diagnostics 81 89
- Chapter 5. Diagnostics 83 91
- Chapter 5. Diagnostics 85 93
- Remind button 95
- Chapter 5. Diagnostics 89 97
- Diagnostic text messages 98
- Viewing the test log 99
- Diagnostic messages 99
- Solving power problems 131
- Solving undetermined problems 132
- Problem determination tips 133
- Front view 135
- Operator information panel 135
- EasyLED diagnostics panel 137
- Rear view 138
- System-board LEDs 143
- SAS backplane connectors 146
- Power-supply LEDs 147
- 20 SATA 1 40 DIMM 16 150
- 1 PCI Express x8 slot 7 151
- 1 PCI-X 1 slot 7 151
- 2 PCI-X 2 slot 8 151
- Server power features 155
- Turning on the server 155
- Turning off the server 156
- Server components 157
- Opening the bezel 158
- Closing the bezel 159
- Removing the bezel 160
- Installing the bezel 162
- Opening the bezel media door 163
- Closing the bezel media door 164
- Removing the left-side cover 165
- Opening the power-supply cage 166
- 1 Release latch 167
- 2 Hot-swap power supply 167
- 1 Power-supply cage 167
- 2 Power-supply cage handle 167
- Closing the power-supply cage 168
- Turning the stabilizing feet 170
- 1 Optical drive power cable 171
- 3 USB signal cable 171
- 4 Optical drive power cable 171
- 1 Cable for drives 4-7 172
- 3 Cable for drives 0-3 172
- 1 EasyLED cable connector 176
- 2 EasyLED cable 176
- Removing the air baffle 177
- Installing the air baffle 178
- 1 Fan cage assembly 179
- Removing the battery 180
- Installing the battery 181
- 1 Hot-swap power supply 184
- 2 Release latch 184
- 1 Microprocessor 2 VRM 187
- 2 Heat sink 2 187
- 3 VRM connector 187
- 2 Hinge pin 190
- 2 Hinge pins 191
- Removing an adapter 192
- Installing an adapter 192
- 2 Adapter 194
- Removing the DVD drive 195
- 1 EMC shield 197
- 2 Tape drive 197
- 2 Fan-cage assembly 199
- 1 Spring clips 201
- 1 Filler panel 203
- 2 Hard disk drive assembly 203
- 3 Release latch 203
- 4 Drive handle 203
- 2 2.5-inch hot-swap drive 210
- 2 Control panel assembly 213
- Removing an extender card 215
- Installing an extender card 217
- Removing a memory module 218
- Installing a memory module 219
- Independent channel mode 220
- Memory mirroring mode 220
- 1 DIMM 224
- 2 Retaining clip 224
- Removing a hot-swap fan 225
- Installing a hot-swap fan 226
- 3 Microprocessor 228
- 4 Microprocessor 2 VRM 229
- 1 Microprocessor 230
- 2 Alignment triangles 230
- 3 Notches 230
- 1 Thermal grease 231
- 2 Heat sink 231
- Thermal grease 234
- 1 Alignment triangle 235
- Removing the system board 239
- Installing the system board 240
- Completing the installation 241
- Connecting the cables 242
- 3822, and 3823 245
- Power cords 255
- Setup Utility menu choices 260
- Using the Setup Utility 260
- Starting the Setup Utility 260
- Passwords 263
- Power-on password 264
- Administrator password 265
- RAID controllers 266
- Formatting a hard disk drive 268
- Starting the WebBIOS utility 269
- Configuring RAID 271
- Setup and configuration 272
- Updating the firmware 275
- Installation requirements 279
- Installation order 279
- Before you call 283
- Calling for service 283
- Using other services 284
- Lenovo product service 285
- Appendix B. Notices 287
- Trademarks 288
- Important notes 288
- Appendix B. Notices 281 289
- Hazardous Substances 290
- Battery return program 291
- Electronic emission notices 292
- Appendix B. Notices 285 293
- Appendix B. Notices 287 295
- Index 291 299
- Index 293 301
- Part Number: XXXXXX 304
- Printed in USA 304
- (1P) P/N: XXXXXX 304
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