8-1
8 Alarms
The alarm is used in order to alert the medical staff by means of sound and light when
abnormal situations occur during the infusion procedure which can lead to infusion
changes or when the infusion of the patient cannot continue due to the unexpected
breakdown or pause/delay of the infusion pump.
WARNING
It is potentially hazardous to use the same or similar equipment with
different alarm presets within the same area.
Responsible organization shall evaluate the risks before selecting other
alarm sound, for the user may get used to the previous alarm sound,
operators may not perceive the alarm in a timely manner due to new alarm
sound.
8.1 Alarm Level
According to the severity scale of the alarm, the alarms of the infusion pump can be
classified to high level alarms, medium level alarms and low level alarms.
8.2 Alarm Types
When an alarm occurs, the pump indicates it to you through visual or audible alarm
indications. For more information, see the following table.
Alarm level
Color of
alarm light
Audible
alarm
frequency
Flashing light
frequency
Light/no-light
ratio
High level
alarms
Red 10 seconds 2.0±0.6Hz 20%-60%
Medium level
alarms
Yellow 15 seconds 0.6±0.2Hz 20%-60%
Low level
alarms
Yellow 20 seconds Steady 100%
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