IBM eserver 630 6C4, Service Manual

Page: 79 / 573

Symptom Action
Service Actions
You have an open service event in the service
action event log. Go to “Service Focal Point” on page 6.
You have parts to exchange or a corrective
action to perform.
1. Go to Chapter 9, “Removal and
Replacement Procedures” on page 347.
2. Go to
″
MAP 0410: Repair Checkout
″
in the
RS/6000
Eserver
pSeries Diagnostic
Information for Multiple Bus Systems .
You need to verify that a part exchange or
corrective action corrected the problem. Go to
″
MAP 0410: Repair Checkout
″
in the
RS/6000
Eserver
pSeries Diagnostic
Information for Multiple Bus Systems .
You need to verify correct system operation. Go to
″
MAP 0410: Repair Checkout
″
in the
RS/6000
Eserver
pSeries Diagnostic
Information for Multiple Bus Systems
.
OK does not appear in the operator panel display before pressing the power-on button.
Other symptoms appear in the operator panel display or LEDs before the power on button
is pressed.
A bouncing or scrolling ball remains on the
operator panel display, or the operator panel
display is filled with dashes or blocks. Verify the operator panel cable from the
operator panel to the CEC backplane is
connected and properly seated at both ends.
If an ASCII terminal is available, connect it to
the system through serial port 1.
1. If the service processor menu is displayed:
a. Replace the operator panel assembly,
location U0.1-L1. Refer to “Operator
Panel” on page 419.
b. Replace the CEC backplane board,
location U0.1-P1. (See notes on page
57).
2. If the service processor menu is not
displayed, replace the CEC backplane. (See
notes on page 57).
If an ASCII terminal is not available, replace the
following one at a time.
1. Operator panel assembly, location U0.1-L1.
Refer to “Operator Panel” on page 419.
2. CEC backplane, location U0.1-P1. (See
notes on page 57).
You have a blank display on the operator panel.
Other LEDs on the operator panel appear to
behave normally.
1. Replace the operator panel assembly,
Location: U0.1-L1. Refer to “Operator
Panel” on page 419.
2. Replace the CEC backplane, Location:
U0.1-P1. (See notes on page 57).
Chapter 3. Maintenance Analysis Procedures (MAPs)
59