IBM pSeries 630 6C4 Service Manual page 84

Symptom
You have an open service event in the service action
event log.
You have parts to exchange or a corrective action to
perform.
You need to verify that a part exchange or corrective
action corrected the problem.
You need to verify correct system operation.
Symptom: The rack indicator LED does not turn on, but a drawer identify LED is on.
Action:
1. Make sure the rack indicator LED is properly mounted to the rack.
2. Make sure that the rack identify LED is properly cabled to the bus bar on the rack and to the drawer identify LED
connector.
3. Replace the following parts one at a time:
v rack LED to bus bar cable.
v LED bus bar to drawer cable.
v LED bus bar.
v Call support.
The system attention LED on the operator panel is on.
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.
Symptom: A bouncing or scrolling ball remains on the operator panel display, or the operator panel display is filled
with dashes or blocks.
Action: 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 484.
b. Replace the CEC backplane, location U0.1-P1. (See notes on page 61).
2. If the service processor menu is not displayed, replace the CEC backplane. (See notes on page 61).
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 484.
2. CEC backplane, location U0.1-P1. (See notes on page 61).
You have a blank display on the operator panel. Other
LEDs on the operator panel appear to behave normally.
64 Eserver pSeries 630 Model 6C4 and Model 6E4 Service Guide
Service Actions
The rack indicator LED does not operate as expected.
The system attention LED on the operator panel is on.
Action
Go to "Service Focal Point" on page 52.
1. Go to Chapter 9, "Removal and Replacement
Procedures", on page 421.
2. Go to "MAP 0410: Repair Checkout" in the RS/6000
Eserver pSeries Diagnostic Information for Multiple
Bus Systems.
Go to "MAP 0410: Repair Checkout" in the RS/6000
Eserver pSeries Diagnostic Information for Multiple Bus
Systems.
Go to "MAP 0410: Repair Checkout" in the RS/6000
Eserver pSeries Diagnostic Information for Multiple Bus
Systems.
Go to "System Attention LED" on page 50 and perform
the listed actions.
1. Replace the operator panel assembly, Location:
U0.1-L1. Refer to "Operator Panel" on page 484.
2. Replace the CEC backplane, Location: U0.1-P1. (See
notes on page 61).