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wLSN | Reference Guide | 13.0 wLSN Smoke Detector

Bosch Security Systems, Inc. | 3/07 | F01U009440-01 45

13.3 Sensitivity Test

Test mode is seen by the control panel as a test. It does

not send an alarm.

The detector includes a Sensitivity Level Test mode for

determining the detector’s sensitivity:

1. Press and hold the Test/Silence button for 4 sec. The LED

flashes 1 to 9 times.

2. Count the number of LED flashes and use Table 20 to

determine the status of the detector’s sensitivity and the

action to take.

Table 20: Smoke Detector Sensitivity Conditions

Flashes Action Recommended

1 Self-diagnostics failure. Return device for service or replacement.

2 to 3

Device is becoming insensitive. Clean the detector and re-test. If

error persists, replace the detector.

4 to 7 Detector is within normal sensitivity range.

8 to 9

Device is becoming too sensitive. Confirm that the smoke

chamber is snapped down securely. Clean the sensor and re-test.

13.4 Test/Silence Button

Refer to Figure 15 on page 44.

• Testing: Press the Test/Silence button for 4 sec. The detector

performs a Sounder test and a Sensitivity test.

• Silence alarm: Press to silence the sounder during an alarm.

After a few minutes, the sounder and alarm resume if smoke is

still present.

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Bosch ISW-BIT1-HAX WLSN INSTALLATION Specifiche Pagina 45