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104 Troubleshooting
Isolating Causes
Table 13 lists the probable causes and solutions for problems you may detect on
the disk system. When more than one problem applies to your situation,
investigate the first description that applies. The table lists the most basic
problems first and excludes them from subsequent problem descriptions.
Table 13. Troubleshooting Table
Problem
Description
HW Event
Category
LED
State
STM
Status
Probable Cause/Solution
Installed
product does
not power on
none System
power LED
off
none
■ Neither power cord is plugged in.
■ The power switch is not pressed.
■ AC breaker is tripped.
■ AC power source has failed.
■ The PDU/PDRU is defective.
■ Power switch is defective.
■ A faulty component is causing power
supplies to turn off. Remove all
components and reinsert one at a time
until the faulty component is isolated.
System fault
LED is on
none Power
supply LED
off
Power
supply Not
Available
■ The power supply is not plugged in.
■ The PDU/PDRU or primary power
source has failed.
Critical Part fault
LED on
Critical A component has failed. See problem
descriptions below.
Audio alarm
when LCC
installed
none LCC Fault
flashing
Disk Not
Available
LCC DIP switch settings do not match
peer LCC switch settings. Reset switches.
LCC Fault LED
is on
Critical LCC Fault
on
Critical LCC hardware is faulty. Replace the LCC.
Fan LED is
amber
Critical Amber Critical Fan has slowed or stopped. Replace the
fan.
- Edition E0902 1
- Format Conventions 2
- Trademark Information 2
- Revision History 3
- 1 Product Description 13 5
- 2 Installation 31 5
- 3 Configuration 81 6
- 4 Troubleshooting 93 6
- 5 Removal and Replacement 109 7
- 6 Reference 129 7
- Product Description 13
- Status Indicators 15
- Power/Standby Switch 15
- High Availability 15
- Upgradability 16
- Environmental Services 16
- Components 17
- 20 Product Description 20
- ■ System fault detection 20
- ■ Disk address generation 20
- Power Supply/Fan Module 21
- 22 Product Description 22
- Topologies 23
- 24 Product Description 24
- Product Description 25 25
- 26 Product Description 26
- Four Host Hub Configuration 27
- Definitions 28
- Product Description 29 29
- 30 Product Description 30
- Installation 31
- Choosing PDUs 32
- Installation 33 33
- Installing PDU/PDRUs 34
- Software Requirements 37
- Step 1: Gather Tools 38
- Step 2: Unpack the Product 38
- Installation 39 39
- 40 Installation 40
- Step 3: Install the device 41
- 42 Installation 42
- ■ Flat-blade screwdriver 42
- ■ T25 nut driver 42
- Installation 43 43
- Installation 45 45
- 46 Installation 46
- Installation 47 47
- 48 Installation 48
- Installation 49 49
- 50 Installation 50
- 52 Installation 52
- Installation 53 53
- 54 Installation 54
- Installation 55 55
- 56 Installation 56
- 58 Installation 58
- Installation 59 59
- 60 Installation 60
- Installation 61 61
- 62 Installation 62
- Install the Disk System 63
- Step 4: Configure LCCs 64
- Installation 65 65
- 72 Installation 72
- Step 7: Install Disk Modules 75
- 76 Installation 76
- Sample IOSCAN 78
- Where do you go from here? 79
- 80 Installation 80
- Configuration 81
- 82 Configuration 82
- 8/12.8.0.255.2.14.0 83
- 86 Configuration 86
- Configuration 87 87
- Using SAM 88
- Using STM (HP-Qualified Only) 88
- Configuration 89 89
- 90 Configuration 90
- Configuration 91 91
- 92 Configuration 92
- Status LEDs 96
- Table 11. LED Functions 97
- LED State Indication 97
- Online Status Information 98
- Troubleshooting 99 99
- Interpreting Status Values 100
- Troubleshooting 101 101
- 102 Troubleshooting 102
- Troubleshooting 103
- Isolating Causes 104
- Troubleshooting 107 107
- 108 Troubleshooting 108
- Removal and Replacement 109
- 110 Removal and Replacement 110
- Disk Module 111
- 112 Removal and Replacement 112
- Removal and Replacement 113 113
- 114 Removal and Replacement 114
- Procedure 115
- 116 Removal and Replacement 116
- 118 Removal and Replacement 118
- Removal and Replacement 119 119
- Power Supply 120
- Removal and Replacement 121 121
- Disk System 122
- Removal and Replacement 123 123
- Top Cover (HP-Qualified Only) 124
- Removal and Replacement 125 125
- Midplane (HP-Qualified Only) 126
- Removal and Replacement 127 127
- Reference 129
- Upgrade Products 130
- PDU/PDRU Products 131
- Replaceable Parts 132
- Specifications 132
- AC Power Input 133
- DC Power Output 133
- Heat Output 133
- Environment 134
- Acoustics 134
- Safety Certifications 134
- EMC Compliance 135
- Regulatory Statements 136
- Reference 137 137
- E. VCCI Statement (Japan) 138
- G. Declaration of Conformity 139
- Product Web Site 140
- Related Documents 140
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