Spcn Pip21 - IBM iSeries Series Hardware Problem Analysis And Isolation
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3. Review the display panels on the system unit and all attached expansion units and I/O towers. The
lamp test is only active on the expansion units and I/O towers for 25 seconds after you press Enter.
Are all of the following lights on for the system unit and all attached expansion units and I/O towers?
v Power-on light
v Attention light
v A five-by-seven dot pattern for the 8 or 32 character display as installed
– No: Exchange the following FRUs in the failing unit one at a time (see Remove and replace
procedures):
- Control panel (see symbolic FRU "CTLPNL" on page 323)
- Tower card (see symbolic FRU "TWRCARD" on page 470)
- Control panel cable
This ends the procedure.
– Yes: These control panel lights are working correctly. Continue with the next step.
4. Are there any abnormal characters or character patterns that are not SRCs or normal display mode
displayed?
v No: This ends the procedure.
v Yes: Exchange the following FRUs in the failing unit one at a time (see Remove and replace
procedures):
a. Control panel (see symbolic FRU "CTLPNL" on page 323)
b. Tower card (see symbolic FRU "TWRCARD" on page 470)
c. Control panel cable
This ends the procedure.
SPCN PIP21: For use by authorized service providers.
Use this procedure to verify that the Remote Control Panel is operating correctly.
1. If the system has logical partitions, perform this procedure from the Primary partition's console and the
system control panel. To determine if the system has logical partitions, go to Determine if the system
has logical partitions before continuing with this procedure.
2. Select function 04 Lamp Test on the control panel and press Enter.
3. Review the display panels on the system unit.
Are all of the following lights on?
v Power-on light
v Attention light
v Manual light
v Normal light
v Auto light
v Secure light
v The 8 character display segments
– No: Exchange the following FRU in the failing unit
- Remote Control Panel cable - 04N5592
- Operations Console Configuration cable — 97H7557
This ends the procedure.
– Yes: The control panel lights are working correctly.
This ends the procedure.
Analyze hardware problems
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