Lenovo ThinkSystem SR630 V4 - Page 5

Chapter 7. Problem
determination . . . . . . . . . . . . . 299
Event logs . . . . . . . . . . . . . . . . . 299
Troubleshooting by system LEDs and diagnostics
display . . . . . . . . . . . . . . . . . . 301
Drive LEDs . . . . . . . . . . . . . . . 301
Front-operator-panel LEDs and buttons . . . 301
LED on the leakage detection sensor
module . . . . . . . . . . . . . . . . 303
LEDs on the XCC system management
port. . . . . . . . . . . . . . . . . . 304
System-I/O-board LEDs. . . . . . . . . . 305
Processor-board LEDs . . . . . . . . . . 307
Power-supply-unit LEDs . . . . . . . . . 309
Rear M.2 LEDs . . . . . . . . . . . . . 311
Rear system LEDs . . . . . . . . . . . . 312
General problem determination procedures . . . . 313
Resolving suspected power problems . . . . 313
Resolving suspected Ethernet controller
problems . . . . . . . . . . . . . . . 314
Troubleshooting by symptom . . . . . . . . . 315
Liquid cooling module problems (NeptAir
module) . . . . . . . . . . . . . . . . 315
Liquid cooling module problems (NeptCore
module) . . . . . . . . . . . . . . . . 317
Intermittent problems. . . . . . . . . . . 319
Keyboard, mouse, KVM switch or USB-device
problems . . . . . . . . . . . . . . . 320
Memory problems . . . . . . . . . . . . 321
Monitor and video problems . . . . . . . . 323
Observable problems. . . . . . . . . . . 324
Optional-device problems . . . . . . . . . 327
Performance problems . . . . . . . . . . 328
Power on and power off problems . . . . . . 329
Power problems . . . . . . . . . . . . . 330
Serial-device problems . . . . . . . . . . 330
Software problems. . . . . . . . . . . . 331
Storage drive problems . . . . . . . . . . 332
USB I/O board problems . . . . . . . . . 334
Appendix A. Hardware
disassembling for recycle . . . . . . . 337
Disassemble the system board assembly for
recycle . . . . . . . . . . . . . . . . . . 337
Appendix B. Getting help and
technical assistance . . . . . . . . . . 341
Before you call . . . . . . . . . . . . . . . 341
Collecting service data . . . . . . . . . . . . 342
Contacting Support . . . . . . . . . . . . . 343
Appendix C. Documents and
supports . . . . . . . . . . . . . . . . 345
Documents download . . . . . . . . . . . . 345
Support websites . . . . . . . . . . . . . . 345
Appendix D. Notices. . . . . . . . . . 347
Trademarks . . . . . . . . . . . . . . . . 348
Important notes . . . . . . . . . . . . . . . 348
Electronic emission notices . . . . . . . . . . 348
Taiwan Region BSMI RoHS declaration . . . . . 349
Taiwan Region import and export contact
information . . . . . . . . . . . . . . . . 349
TCO Certified. . . . . . . . . . . . . . . . 349
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