Sun Microsystems Netra CT Service Manual page 4

3. Handling Cards and Assemblies 3-1
3.1
3.2
Part II Troubleshooting the System
4. Troubleshooting the System 5-1
4.1
4.2
4.3
4.4
4.5
4.6
4.7
Part III Replacing Hot-Swappable FRUs
iv Netra CT Server Service Manual • January 2004
Handling CompactPCI Cards 3-1
Handling Assemblies 3-2
Troubleshooting the System Using the System Status Panel 5-2
4.1.1 Locating and Understanding the System Status Panel 5-2
4.1.2 Using the System Status Panel LEDs to Troubleshoot the System
5-3
Troubleshooting the System Using prtdiag 5-8
Troubleshooting the System Using Diagnostic Software 5-13
Troubleshooting the System Using the Power-On Self Test (POST) 5-15
Troubleshooting the System Using the Alarm Card Software 5-17
Troubleshooting a Power Supply Using the Power Supply Unit LEDs 5-17
4.6.1 Troubleshooting the Power Supply Unit in the Netra CT 410
Server 5-17
4.6.2 Troubleshooting the Power Supply Units in the Netra CT 810
Server 5-18
Troubleshooting a CPU Card 5-19
4.7.1 General Troubleshooting Tips 5-19
4.7.2 General Troubleshooting Requirements 5-21
4.7.3 Mechanical Failures 5-22
4.7.4 Power-On Failures 5-22
4.7.5 Failures Subsequent to Power-On 5-22
4.7.6 Troubleshooting During POST/OBP and During Boot Process 5-
23
4.7.7 OpenBoot PROM On-Board Diagnostics 5-24
4.7.8 OpenBoot Diagnostics (OB Diag) 5-27