IBM totalstorage 200, Service Manual

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Table 6. Error symptoms and suggested actions (continued)
Error Symptom Suspected Part/Suggested Action
Monitor problems (general) Suspected part: Monitor
Note: Some IBM monitors have their own self-tests. If you suspect a
problem with the monitor, refer to the information that comes with the
monitor for adjusting and testing instructions.
Suggested action:
1. Run Video Diagnostics
Note: If the diagnostics pass, the problem may be a video driver
2. Display Adapter/System Board
Power Supply LED errors
Use the Power Supply LED information in the following section to troubleshoot
power supply problems.
Minimum configuration requirements: The minimum configuration required for
the DC Power LED to come on is:
v
Power Supply
v
Power Backplane
v
Processor/PCI Board (With pins 2 and
3 on J23 extension cable connected
together to bypass the power switch.
v
Processor/PCI Board (Verify that
Processor/PCI Board and System
Board are properly connected together.
Table 7 describes Power Supply LED errors and actions.
Table 7. Power Supply LED errors and actions
AC Power
LED DC Power
LED Description Part/Action
Off Off No power to system or ac
problem Suspected part:
1. Power Supply
2. Power Backplane
3. Power ac Inlet Box
Suggested action: Check ac power to system
Chapter 3. Symptom-to-part index
27