Eppendorf R Series 48R CO2 Incubator - Manual (Page 31)

31
New Brunswick Scientific User’s Guide
ƒ If chamber conditions recover within the programmed alarm delay time, the
Alarm System is immediately re-armed. After the delay, the Alarm System
is armed and if the temperature and CO
2
are outside the Alarm High & Low
settings, the alarm will be activated.
ƒ
If an alarm occurs and the chamber subsequently recovers, the alarm stops
and the system is re-armed. Details of the Alarm Event are stored in the
Datalogger.
Figure 13: Chamber Alarm System Flow Chart
15 MINUTES
ALARM DELAY
TIMEOUT
COMPLETED
ARE TEMPERATURES AND CO2
LEVELS WITHIN +/- 0.1 OF SET
POINT?
CHANGE
PROGRAMMED
VALUES
OPEN INNER DOOR
DISARM ALARMS
CLOSE INNER
DOOR
15 MINUTES
ALARM DELAY
TIMEOUT STARTED
IS TEMPERATURE OR CO2 LEVEL
MORE THAN +/- 0.5 OUTSIDE
PROGRAMMED POINTS?
CANCEL ALARM BY
PRESSING ANY KEY
ALARMS
CANCELLED
VISUAL AND AUDIBLE
ALARMS CANCELLED,
MESSAGE LEFT ON SCREEN
CANCEL
MESSAGE BY
PRESSING ANY
KEY
NO
YES
YES
SWITCH ON
ARM ALARMS
VISIBLE AND AUDIBLE
ALARM - MESSAGE ON
SCREEN
HAVE CONDITIONS
RECOVERED TO
WITHIN +/- 0.1?
YES
NO
NO