Part III Problem Solving
9 Identifying the Problem
9.1
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9–2
9.2
How to Identify the Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9–2
9.2.1
Monitor the Power Module . . . . . . . . . . . . . . . . . . . . . . . . . . .
9–4
9.2.2
Monitor the Processor Card and Memory Card . . . . . . . . . . .
9–6
9.2.3
Monitor Network Interface Card LEDs . . . . . . . . . . . . . . . . .
9–8
9.2.4
Monitor the Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9–9
10 Locating the Faulty Component
10.1
How to Use the Flowcharts . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–2
10.2
System Does Not Power Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–4
10.2.1
Check the Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–4
10.2.2
Check the Power Outlet and Cable . . . . . . . . . . . . . . . . . . . .
10–6
10.3
Overtemperature Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–8
10.3.1
Check the Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–8
10.3.2
Check the Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–10
10.3.3
Check the Temperature Sensor . . . . . . . . . . . . . . . . . . . . . . .
10–12
10.3.4
Check the Power Module . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–14
10.4
Power Module Overvoltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–16
10.4.1
Check Fan Tray and Power Module . . . . . . . . . . . . . . . . . . . .
10–16
10.4.2
Check Backplane Assembly . . . . . . . . . . . . . . . . . . . . . . . . . .
10–18
10.5
Power Module Overcurrent . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–20
10.5.1
Check DECNIS 600 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–20
10.5.2
Check the Processor Card . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–22
10.5.3
Check the Memory Card . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–24
10.5.4
Check the Network Interface Cards . . . . . . . . . . . . . . . . . . . .
10–26
10.5.5
Replace the Network Interface Card . . . . . . . . . . . . . . . . . . .
10–28
10.5.6
Check Power Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–30
10.5.7
Check the Backplane Assembly . . . . . . . . . . . . . . . . . . . . . . .
10–32
10.6
Processor Card Fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–34
10.6.1
Check Processor Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–34
10.6.2
Check Memory Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–36
10.6.3
Remove Network Interface Cards . . . . . . . . . . . . . . . . . . . . .
10–38
10.6.4
Check Network Interface Cards . . . . . . . . . . . . . . . . . . . . . . .
10–40
10.6.5
Replace Network Interface Card . . . . . . . . . . . . . . . . . . . . . .
10–42
10.6.6
Check Backplane Assembly . . . . . . . . . . . . . . . . . . . . . . . . . .
10–44
10.7
Memory Card Fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–46
10.7.1
Check Memory Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–46
10.7.2
Check Processor Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10–48
vi
Summary of Contents for DECNIS 600
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Page 34: ...2 10 Installing the DEC Network Integration Server 600...
Page 35: ...LKG 5678 91I Rack Support brackets Installing the DEC Network Integration Server 600 2 11...
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Page 227: ...1 Loosen screws LKG 5688 91I 2 Remove fan tray Removing and Replacing Faulty Components 11 15...
Page 232: ...1 Loosen screws LKG 5688 91I 2 Remove fan tray 11 20 Removing and Replacing Faulty Components...
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Page 288: ...V Ventilation B 2 Vents 2 7 W WAN See Wide Area Network Wide Area Network xi Index 4...