Power Supply Led Errors; Power Supply Led Errors And Actions - IBM TotalStorage 200 Service Manual

Table 6. Error symptoms and suggested actions (continued)
Error Symptom
Monitor problems (general)

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
Table 7 describes Power Supply LED errors and actions.
Table 7. Power Supply LED errors and actions
AC Power DC Power
LED LED
Off Off
Suspected Part/Suggested Action
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
Description
No power to system or ac
problem
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.
Part/Action
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