BW Defender2
User Manual
12
Sensor Test
If a sensor fails the self-test, the audible alarm emits a slow
modulating tone and the visual alarm flashes slowly. Sensor
fail display advises failed sensor:
Self-Test Pass
If the detector passes the self-test, the detector begins
normal operation. The display shows the ambient gas
readings:
The detector starts recording the maximum gas exposure
and calculating the TWA (time-weighted average).
Self-Test Fail
If the detector fails the self-test, see the section, “If the
Detector Does Not Work.”
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