Huawei Tecal RH5485 Problem Determination And Service Manual page 8

Contents
3.5.3 Embedded hypervisor problems ......................................................................................................... 3-34
3.5.4 General problems ............................................................................................................................... 3-34
3.5.5 Hard disk drive problems ................................................................................................................... 3-35
3.5.6 Intermittent problems ......................................................................................................................... 3-36
3.5.7 USB keyboard, mouse, or pointing-device problems ......................................................................... 3-37
3.5.8 Memory problems .............................................................................................................................. 3-38
3.5.9 Microprocessor problems ................................................................................................................... 3-39
3.5.10 Monitor or video problems............................................................................................................... 3-40
3.5.11 Optional-device problems ................................................................................................................ 3-42
3.5.12 Power problems ............................................................................................................................... 3-43
3.5.13 Serial-device problems ..................................................................................................................... 3-45
3.5.14 ServerGuide problems ...................................................................................................................... 3-46
3.5.15 Software problems ........................................................................................................................... 3-47
3.5.16 Universal Serial Bus (USB) port problems ..................................................................................... 3-48
3.5.17 Video problems ................................................................................................................................ 3-48
3.6 Light path diagnostics ................................................................................................................................. 3-48
3.6.2 Remind button .................................................................................................................................... 3-52
3.7 Power-supply LEDs .................................................................................................................................... 3-61
3.8 Recovering the server firmware .................................................................................................................. 3-63
3.8.1 In-band automatic recovery method .................................................................................................. 3-63
3.8.2 In-band manual recovery method ...................................................................................................... 3-64
3.8.3 Out-of-band method ........................................................................................................................... 3-64
3.9 Three-boot failure ........................................................................................................................................ 3-64
3.10 System-event log ....................................................................................................................................... 3-65
3.11 Integrated management module error messages ........................................................................................ 3-65
3.12 Solving Ethernet controller problems ..................................................................................................... 3-102
3.13 Solving undetermined problems .............................................................................................................. 3-103
3.14 Problem determination tips ..................................................................................................................... 3-104
4 Parts listing .................................................................................................................................. 4-1
4.1 Replaceable server components .................................................................................................................... 4-2
4.2 Power cords ................................................................................................................................................... 4-6
5 Removing and replacing components ................................................................................... 5-1
5.1 Installation guidelines ................................................................................................................................... 5-1
5.1.1 A single-power-supply server operating at 208 V ac ........................................................................... 5-2
5.1.2 System reliability guidelines ................................................................................................................ 5-2
5.1.3 Working inside the server with the power on ...................................................................................... 5-3
5.1.4 Handling static-sensitive devices ......................................................................................................... 5-3
5.1.5 Internal cable routing and connectors .................................................................................................. 5-4
5.1.6 Returning a device or component ........................................................................................................ 5-8
5.2 Connecting the cables ................................................................................................................................... 5-8
5.3 Removing and replacing server components ................................................................................................ 5-9
vi Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Tecal RH5485 Server
Problem Determination and Service Guide
Issue 02 (2011-05-25)