Black & Decker MULTI-GAS DETECTORS Bedienungsanleitung Seite 53

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BW Defender2
User Manual
42
Table 13. Troubleshooting Tips (cont.)
Problem Possible Cause Solution
Detector does not enter alarm. Alarm setpoint(s) are set incorrectly.
Alarm setpoint(s) set to zero.
Detector is in calibration mode.
Reset alarm setpoints.
Reset alarm setpoints.
Complete the calibration procedure.
Detector intermittently enters alarm
without apparent reason.
Ambient gas levels are near alarm
setpoint or the sensor is exposed to a
puff of the target gas.
Alarms set incorrectly.
Missing or faulty sensor.
Detector is operating normally. Use
caution in suspect areas. Check
maximum gas exposure reading.
Reset alarm setpoints.
Replace sensor.
Detector automatically shuts off. Automatic Shutdown feature
activated due to weak battery.
Replace battery.
Unit will not auto zero or calibrate.
O
2
sensor reading is erratic.
O
2
sensor replacement may not be
compatible.
Change O
2
sensor.
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