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Testing and Troubleshooting
3-3
Figure 3-2 (three sheets) shows service panel indications of possible faults and provide the proce-
dures to fix the fault. Perform the procedures in the order listed. Replacement procedures are
provided in Chapter 4, and exploded view drawings in Chapter 5.
Indication
Procedure
-
D
10001
SELF
RESET START
MEM
Check/Replace:
TEST
DUMP
o
POWER ON
1. Ac power cord
0
OAUN
2. Service panel cable
DBD
3. Power supply cable
4. Power supply assembly
5. Ac module
Note: No LEDs on.
B
Close/Tighten:
1. I/O door
2. Processor stack door
6
Check/Replace:
1. Ambient air temperature
2. Clogged filter/airflow blockage
3. Fans
4. Power supply assembly
B
Check/Replace:
1. Power supply assembly
2. I/O cards
3. Finstrates
4. System control module
5. Motherboard/IO backplane
~
Check/Replace:
System control module
PROCESSOR
Note:
10
Anyone
of the 12
Check/Replace:
PROCESSOR
Finstrate
LEDs may
be on.
Note:
D
Check/Replace:
Anyone or
more of the
1. I/O card
7 I/O LEDs
2. Peripheral device
may be on.
3. Interface cable
Figure 3-2. Fault Indicators (Sheet 1 of 3)
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