Power Supply LED Errors
Use the power supply LED information on the following
page to trouble shoot power supply problems.
Note:
The minimum configuration required for the DC Good light to come on is.
Power Supply
Power Backplane
Power AC Inlet Box
System Board (With pins 2 and 3 of J32 connected together to bypass the
power switch (button). The default is pins 1 and 2.)
Processor Board (Verify that the J10 and J17
connectors are are installed correctly.)
Memory-Module Kits (Minimum requirement = 1 bank of 64 MB DIMMs)
AC Good LED
DC Good LED
Description
FRU / Action
Off
Off
No power to system
or AC problem.1. Check AC power to system
2. Power Supply
3. Power Backplane
4. Power AC Inlet Box
On
Off
Standby mode
or DC problem.1. Verify power supply switch is on
2. Check processor connectors J10 and J17.
3. Move jumper J32 to pins 2-3 to bypass power
control. If the DC Good LED comes on, reseat
the system power switch (button) assembly cable
connector to the system board.
4. Remove the adapters and disconnect the cables
and power connectors to all internal and
external devices. Power-on the system. If the
DC Good LED comes on, replace the adapters and
devices one at a time until you isolate the
problem.
5. Power Supply
6. Power Backplane
7. System Board
8. Processor Board.
On
On
Power is OK
N/A
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