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MK LIT (E5) 01/2021 page 75/172
13. Notification and alarm functions
13.1 Alarms via indicator light with integrated buzzer
Audible and visual signals alert the user to different operating states. This alarm is independent of the
chamber controller.
The indicator light indicates three operating states as follows:
Indicator light green, steady light signal
• Normal operation
• All monitored parameters (temperature, O
2
, H
2
, CO) are below the
threshold values for notification levels 1 and 2
Indicator light yellow, flashing signal
• Gas detection alarm threshold 1 triggered: At least one threshold
value for notification level 1 has been exceeded
or
• Fault notification (cable break, sensor fault, deviation of the gas
detection volumetric flow, etc.)
• Warning, CO
2
fire suppression device inactive.
Indicator light red, flashing signal
• Gas detection alarm threshold 2 triggered: At least one threshold
value for notification level 2 has been exceeded
or
• Alarm threshold for temperature monitoring (rod controller) trig-
gered: Threshold value of 120°C exceeded
or
• CO
2
fire suppression device activated by manual release
• The buzzer sounds.
Indicator light (6) with integrated
buzzer (normal operation)
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