23. Alarms
Alarms
Overtemp Alarm
OVERTEMP. Alarm activates when the temperature inside the chamber reaches the temperature set on
OVERTEMP setting. The alarm triggers a beeping sound that can be shut off by pressing the
<SILENCE> key. However, OVER TEMP setpoint indicator keeps blinking until the temperature in the
chamber actually decreases. While the alarm is being activated, incubator partially shuts down the
power to all chamber heaters for safety reasons.
CO
2
Alarm
CO
2
Alarm activates when CO
2
concentration is off ±1.0% or more from the concentration that is set on
CO
2
concentration setting for 15 consecutive minutes. The alarm triggers a beeping sound and CO
2
Alarm indicator blinks. By pressing <SILENCE> key, beeping shuts down and the CO
2
indicator turns off.
* Press <SET> key in Function suspending mode until Temperature display shows ALA. Then, CO
2
display shows ON or OFF. Use <UP> and <DOWN> key to change the setting. This function only
suspends CO
2
alarm.
O
2
Alarm
O
2
Alarm activates when O
2
concentration is off ±1.0% or more from the concentration that is set on O
2
concentration setting for 60 consecutive minutes. The alarm triggers a beeping sound and O
2
Alarm
indicator blinks. By pressing <SILENCE> key, beeping shuts down and the O
2
indicator turns off.
CO
2
ZERO Calibration Alarm
CO
2
ZERO Calibration Alarm activates when CO
2
Zero calibration is not properly done. The alarm
triggers a beeping sound, C. Er and CO2 concentration blinks alternately on CO
2
display. CO
2
Zero is
not calibrated when the alarm is activated. By pressing <SILENCE> key, beeping shuts down and the
blinking turns off.
O
2
SPAN Calibration Alarm
O
2
ZERO Calibration Alarm activates when O
2
Zero calibration is not properly done. The alarm triggers a
beeping sound, C. Er and O2 concentration blinks alternately on O
2
display. O
2
Span is not calibrated
when the alarm is activated. By pressing <SILENCE> key, beeping shuts down and the blinking turns off.
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