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7-2
7.1.1.1 Alarm Sounds Behavior
1. High Priority Sounds
There are two possible high priority sounds:
•
High Priority – The sound repeats a pattern of three beeps followed by a pause and then two more beeps until the
SILENCE or RESET button is pressed. The silence period is one minute. This pattern is indicated in Section 7.5 as
• ••
•
••
Loss of Power – The sound repeats a pattern of a two-second beep followed by a two-second pause periodically
without user intervention. The
button silences this alarm. The SILENCE and RESET buttons and the LED
control panel backlight do not apply to this alarm. This pattern is indicated in Section 7.5 as
2. Medium Priority Sound
The medium priority sound repeats a pattern of three beeps every 20 seconds until the SILENCE or RESET button is
pressed. The silence period is one minute. This pattern is indicated in Section 7.5 as
•••
3. Low Priority Sound
The low priority sound repeats a pattern of two beeps every 30 seconds until the SILENCE or RESET button is pressed.
The audible alarm will not reoccur. This pattern is indicated in Section 7.5 as
••
4. Silence Period
The silence period for all applicable alarms is one minute. When the alarm sound is silenced, a flashing LED becomes
continuous. If the alarm condition is not corrected by the end of the silence period, the alarm sound is repeated; the
LED will flash again. If a new high or medium priority alarm condition occurs during this time, the appropriate LED
flashes. New low priority alarms do not cause the LED to flash.
NOTE:
Pressing the SILENCE button while the silence period is active does not restart the silence period.
7.1.1.2 Alarm LED Behavior
Red Alarm LED
NOTE:
The red alarm LED indicates high priority system and patient alarms. The LED flashes when
a new high priority alarm is detected. It changes from flashing to continuous when the alarm
sound is silenced or the alarm condition is corrected. The LED resumes flashing when the
silence period expires or if a new alarm occurs. The LED turns off when all high priority
alarms with an automatic reset method end and there are no high priority alarms with a
manual reset method active. Additionally, the red LED turns off when you press the RESET
button.
A continuous red LED indicates a loss of power or a silenced high priority alarm.
Yellow Alarm LED
The yellow alarm LED indicates medium or low priority system and power alarms. The
LED flashes when a new medium priority alarm is detected. It changes from flashing to
continuous when the alarm sound is silenced or if the alarm condition is corrected. The LED
resumes flashing when the silence period expires or if a new alarm occurs. The LED turns
off when all medium and low priority alarms with an automatic reset method end and there
are no medium or low priority alarms with a manual reset method active. Additionally, the
yellow alarm LED turns off when you press the RESET button.
7.1.1.3 Display Behavior
For high, medium, and low priority alarms, the display shows ALARM and the error code or name of the alarm.
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