Table of Contents
Advertisement
Testing the blower unit and thermal sensor
4
Set the power supply to OFF. Wait until the red column LED lights, then
unseat the power supply.
•
The red column LED should remain lit.
•
The system terminal should display PWR0002 and PWR0003.
5
Make sure the power supply switch is OFF and then push it back into the
slot. Set the power supply to ON.
•
The green LED on the power supply should light.
•
The red column LED should go out.
•
The system terminal should display PWR0000.
Use this procedure to test the NT8D52 Blower Unit and its interface to the
system monitor. This test should be performed on the blower unit when a
column is initially installed.
Procedure 53
Testing blower unit and thermal sensor
In the steps below, if you fail to see an expected display
code, contact your Avaya support representative.
1
In the front of the pedestal, set the blower unit circuit breaker, or power
switch, to OFF.
•
The red LED at the top front of the column should light.
Note: Some DC powered blower units such as the NT8D52DD may also
display PWR0005.
2
Set the blower unit circuit breaker, or power switch, to ON.
•
The column LED should go out.
•
The system terminal should display PWR0046.
Performing acceptance tests
End of Procedure
IMPORTANT!
Large System Installation and Commissioning
Page 321 of 436
Advertisement
Table of Contents
