User Manual

Alarms

68P09255A57-2

Aug 2002

SC4812ET Optimization/ATP Manual Software Release R16.1.x.x

PRELIMINARY

3-100

Battery Over Temperature Alarm (Optional)

CAUTION

Use special care to avoid damaging insulation on cables, or

damaging battery cases when using a power heat gun.

Table 3-62 gives instructions on testing the battery over temperature

alarm system.

Table 3-62: Battery Over Temperature Alarm

Step Action

1 Use a low powered heat gun and gently heat the battery over temperature sensor (see location in

Figure 3-23). Do Not hold the hot air gun closer than 7.6 cm (3 in.) to the sensor. This will avoid

burning the cable insulation.

2 When the sensor is heated to approximately 50° C, a battery Over Temperature alarm is generated.

NOTE

An audible click will sound as K1 contact engage and K2 contacts disengage.

3 Visually inspect the K1 and K2 relays to verify state changes. The LMF should be displaying correct

alarms. (BTS #22)

4 Verify that the CHARGE DISABLE LED (amber) on the Meter Alarm Panel and the BATTERY

MAIN LED (green) are both illuminated.

5 Switch the hot air gun to cool. Cool the sensor until the K1 and K2 contact return to normal position

(K1 open and K2 closed). Use the LMF verify that all alarms have cleared.