IBM totalstorage 200, Service Manual

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Table 4. Panel system error LED settings (continued)
Diagnostic Panel LED Meaning Suspected Part/Suggested Action
TEMP LED is on Look at the test cases. Suspected parts:
1. Processor/PCI Board
2. I/O Legacy Board
Suggested actions:
1. Ambient temperature is within normal operating
specifications. See “Appendix C. Specifications” on page 117.
2. Ensure that fans are operating correctly.
3. Examine the System Error Log.
a. System is over the recommended temperature.
1) Information LED Panel.
2) I/O Legacy Board.
b. DASD is over the recommended temperature (the DASD
LED is also on).
1) Overheating hard drive
2) DASD Backplane.
3) I/O Legacy Board.
c. System is over the recommended temperature for CPU X
(where X is CPU 1, 2, 3, or 4) (CPU LED also on).
1) CPU X .
2) Processor/PCI Board
d. The I/O Legacy Board is over the recommended
temperature.
4. If the CPU LED on the diagnostics panel is also on, one of
the microprocessors has caused the error.
Diagnostic error codes
Note: In the following error codes, if XXX is 000, 195, or 197, do not replace a
part. These error codes have the following meanings:
000 The test passed.
195 Esc was pressed to end the test.
197 This is a warning error and may not indicate a hardware failure.
For all other error codes, replace the part or perform the actions indicated.
Chapter 3. Symptom-to-part index
21