IBM TotalStorage 200 Service Manual page 44

Table 7. Power Supply LED errors and actions (continued)
AC Power DC Power
LED LED
On Off
On On
28
Models 200 and 225 Service Guide
Description
Standby mode or dc
problem
Power is OK
Part/Action
Suspected part:
1. Power Supply
2. Power Backplane
3. System Board
4. Processor Board
Suggested action:
1. Check processor board cable connector, J33. Move
jumper on the J32 extension cable to pins 2 and 3
to bypass power control. If the DC Good LED
comes on, press Ctrl+Alt+Delete. Watch the screen
for any POST errors. Check the System Error Log
for any listed problems. If the system powers up
with no errors:
a. Power Switch Assembly
b. System Board
2. Remove the adapters and disconnect the cables
and power connectors to all internal and external
devices. Power-on the system. If the DC Power LED
comes on, replace the adapters and devices one at
a time until you isolate the problem.
N/A