Avaya S8700 Maintenance Manual page 1113

For multi-connect configurations

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Table of Contents

CABINET (Cabinet Sensors)

Table 8-162. Test #122 Cabinet Temperature Query Test — Continued

Description / Recommendation

NONVARIABLE-SPEEDFAN ASSEMBLIES (continued): If the fans are

running at high speed, check the following items, any of which can restrict or

redirect airflow within the cabinet.

1. Check both filters. If a filter is dirty or clogged, clean with soapy water or a

2. Ensure that there is nothing other than circuit packs in the carrier slots that

3. Ensure that there are no missing circuit-pack faceplates or blanks.

4. The cabinet door must be closed for proper cooling.

5. Wait 5 minutes for the cabinet to cool and rerun the test.

6. If the test fails, check temperatures for the 15

7. Wait 5 minutes, and rerun the test.

8. If the test still fails, then the ambient room temperature is probably too

9. If the 15

could be restricting the airflow.

-C criteria is present, then the fans should be running at high

high. Cool the room.

-C criteria does not exist, one of the following components if

AHD1 circuit pack

Replace these items one at a time in the order listed, running the test after

each replacement. If many environmental tests are failing, it can be a

problem that is undetected by maintenance on an EPN's Maintenance

circuit pack. Replace the circuit pack. Escalate if the problem persists.

-C criteria. If the

Continued on next page

Issue 1 May 2002

Troubleshooting