Alarm - Cause - Remedy - Dräger Perseus A500 Instructions For Use Manual

Alarm – Cause – Remedy
Alarm messages are displayed in hierarchal form
in the alarm message field of the header bar, see
page 140.
Different background colors indicate the priority
levels of the alarms.
In the Current alarms table and Alarm history
table, the priority of the alarm messages is also
indicated by exclamation marks.
High !!!
Medium !!
Low !
Priority Alarm
! 100 Absorber disconnected?
!! 100 "Add. O
! 255 Agent measurement failed There is electromagnetic
! 255 Agent measurement not
available
Instructions for use Perseus A500 SW 2.0n
Red
Yellow
Cyan
Cause
Infinity ID CLIC absorber is
not correctly connected.
" activated O
2
interference.
There is an internal failure.
The ambient air used for cali-
brating the sensor was
impure.
There is electromagnetic
interference.
Ambient temperature is too
high.
In order to classify the alarms within an alarm
priority, internal priority numbers are given in the
table below. The most critical alarm is given the
number 255. Lower numbers indicate a lower
alarm priority.
The following table lists the alarm messages in
alphabetical order. If an alarm occurs, the table
helps to quickly identify causes and remedies. The
possible causes and remedial measures should be
looked through in the order they are listed until the
alarm is resolved.
Some alarms appear in this table several times
with different priorities because their priority may
change under certain conditions, see page 144.
switch is set to "Add. O
2
Troubleshooting
Remedy
Check absorber.
Use "ALARM RESET" to
acknowledge alarm.
". Close the flow control valve of
2
the O flowmeter. Set the O
2
switch to "Aux. O
2
Use "ALARM RESET" to
downgrade alarm priority.
Check for electromagnetic
radiation in the vicinity.
Use an alternative gas mea-
surement system.
If the problem persists, call
DrägerService.
Position the device in an envi-
ronment with clean ambient
air.
Wait for the automatic calibra-
tion.
Check for electromagnetic
radiation in the vicinity.
Check ambient conditions.
2
".
191