Dräger X-am 5000 Notice D'utilisation page 14

Identifying alarms
An alarm is displayed visually, audibly and through vibration in a specific pattern.
Concentration pre-alarm A1
The alarm is indicated by an intermittent alarm
message:
Display » A1 « and measured value alternating:
not for O !
2
The pre-alarm A1 is not self-latching and disappears when the concentration
has dropped below the alarm threshold A1.
In the case of A1, a single tone is audible and the alarm LED flashes.
In the case of A2, a double tone is audible and the alarm LED flashes twice.
Acknowledging the pre-alarm:
Press the [OK] key, only the audible alarm and the vibration alarm are
switched off.
Concentration main alarm A2
The alarm is indicated by an intermittent alarm
message:
Display » A2 « and measured value alternating:
for O : A1 = lack of oxygen
2
A2 = excess oxygen
Leave the area immediately. You are in mortal danger! A main alarm is self-
latching and cannot be acknowledged or cancelled.
After leaving the area, if the concentration is less than the alarm threshold A2:
Press the [OK] key, the alarm messages are switched off.
A latching alarm on the CatEx channel (due to the measuring range being sig-
nificantly exceeded) cannot be acknowledged by the [OK] key. The CatEx
latching alarm is acknowledged either automatically by a functioning (i.e. free
of warnings and malfunctions) oxygen channel or by manually switching the
unit off and on again in fresh air.
STEL / TWA exposure alarm
The alarm is indicated by an intermittent alarm
message:
14
WARNING
Display » A2 « and » « (STEL) or »
alternating:
Leave the area immediately. After this alarm, the deployment of personnel is
subject to the relevant national regulations.
– The STEL and TWA alarm cannot be acknowledged or cancelled.
Switch off the device. The values for the exposure evaluation are deleted af-
ter the device is switched on again.
Battery pre-alarm
The alarm is indicated by an intermittent alarm
message:
Flashing special symbol » « on the right side of
the display:
Acknowledging the pre-alarm:
Press the [OK] 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 alarm is indicated by an intermittent alarm
message:
Flashing special symbol » « on the right side of
the display:
The battery main alarm cannot be acknowledged or cancelled:
– 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 alarm is indicated by an intermittent alarm
message:
Special symbol » « displayed on the right side
of the display:
– The device is not ready for operation.
Commission maintenance personnel or the DrägerService Centre to
eliminate the error.
« (TWA) and measured value
CAUTION