22
Identifying Alarms
STEL / TWA exposure alarm
STEL and TWA alarms cannot be acknowledged or canceled.
Switch off the device. The values for the exposure evaluation are deleted after the
device is switched on again.
Battery pre-alarm
Acknowledging the pre-alarm:
Press the key. Only the audible alarm and the vibration alarm are switched off.
The battery still lasts approx. 20 minutes after the first battery pre-alarm.
Battery main alarm
The battery main alarm cannot be acknowledged or canceled:
The device is automatically switched off again after 10 seconds.
Before the device is switched off, the visual, audible and vibration alarms are
activated for a short time.
Device alarm
The device or one or several sensor channels are not ready for operation.
For remedies, refer to page 30 to page 37.
If necessary, commission the Dräger Service Center to eliminate the error.
The alarm is indicated by an intermittent alarm message:
Display »A2« and »« (TWA) or » « (STEL) and measured
value alternating:
CAUTION
Health hazard!
Leave the area immediately. After this alarm, the deployment of
personnel is subject to the relevant national regulations.
NOTICE
The STEL alarm can be triggered with a maximum delay of one minute.
The alarm is indicated by an intermittent alarm message:
Flashing special symbol »« on the right side of the display:
The alarm is indicated by an intermittent alarm message:
Flashing special symbol »« on the right side of the display:
The alarm is indicated by an intermittent alarm message:
Special symbol » « on the right side of the display:
OK
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