User's Manual Part 3

Alarms Testing – continued

Apr 2001

3-83

SC4812ET BTS Optimization/ATP — CDMA LMF

DRAFT

Heat Exchanger Alarm Test

Table 3-46 gives instructions on testing the Heat Exchanger alarm.

Table 3-46: Heat Exchanger Alarm

Step Action

1 Turn circuit breaker “B” of the Heat Exchanger circuit breakers OFF. This will generate a Heat

Exchanger alarm, ensure that the LMF reports the correct alarm condition in the RF Cabinet.

2 Alarm condition will be reported as BTS Relay #25 – “Heat Exchanger Alarm” makes contact.

3 Turn the circuit breaker “B” ON. Ensure that the alarm condition is now removed.

NOTE

The Heat Exchanger will go through the Start Up sequence.

Door Alarm

Table 3-47 gives instructions on testing the door alarms.

Table 3-47: Door Alarm

Step Action

1 Close all doors on the power cabinet. Ensure that no alarms are reported on the LMF.

2 Individually open and then close each power supply cabinet door. Ensure that the LMF reports an

alarm when each door is opened.

3 Alarm condition will be reported as BTS Relay #27 “Door Alarm” makes contact.

AC Fail Alarm

Table 3-48 gives instructions on testing the AC Fail Alarm.

Table 3-48: AC Fail Alarm

Step Action

NOTE

The batteries should have a stable charge before performing this test.

Turn the Main AC breaker on the power cabinet OFF. The LMF should report an alarm on an AC Fail

(Rectifier Fail, Minor Alarm & Major Alarm) condition.

2 Alarm condition will be reported as BTS Relay #23, BTS # 21, BTS # 24 and BTS Relay # 29 “AC

Fail Alarm” makes contact respectively.

3 Turn the Main AC breaker on the power cabinet ON. The AC Fail alarm should clear.