Avaya S8700 - Page 321

RMC-ENV (Power/Fan Sensors)
Issue 1 May 2002
8-1017555-233-142
5. If the fans are running at high speed, check the items on following list. Any
one of these could be restricting or redirecting the cabinet’s air flow.
a. Verify that nothing other than circuit packs in the carrier slots that could
be restricting air flow.
b. Verify that no circuit-pack blanks or carrier faceplates are missing.
Install and/or replace them as necessary.
c. Be sure the cabinet’s doors are properly closed. The doors must be
closed to enable the fans to properly cool the cabinet. Wait 5 minutes
to allow the fans to cool the cabinet. Rerun the test. If the test still fails,
proceed to Step 6.
6. At this point, there should be nothing impeding the air flow, and the fans
should be running at high speed. Check the temperatures for the 5- to
60
0
-C criteria.
a. If the 5- to 60
0
-C criteria exists, a temperature problem exists, and the
fans (at high speed) should cool down the switch. Wait 5 minutes, and
rerun the test. If the test still fails, the ambient room temperature is
probably too high, and the room should be cooled.
If not, the fans are defective. Replace the fan assembly, and rerun the
test. Failures can occur on the Processor circuit pack that is not
detected by the respective MO, but that cause many, if not every,
environment test to fail. If many environment tests are failing, the
suspected circuit pack (depending on the system configuration) should
be replaced and the test rerun.
There is a problem with the environment of the power system:
7. The power unit for the cabinet may be defective.
a. Verify and, if necessary, replace the power unit.
b. Rerun the test. If the test still fails, escalate.
PASS The cabinet does not have a power or fan problem. If a problem is reported,
troubleshoot by using the previous procedures for the FAIL cases.
Table 8-435. TEST #122 Cabinet Temperature Query Test
Error
Code
Test
Result Description / Recommendation
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