17 Generator G11
Generator G11 Operator’s Manual
Chapter 4 - Troubleshooting and Screen Guide
General Troubleshooting
Informative Screens
The user interface for the Generator G11 has a number of informative screens to guide the efficient use of the generator� Informative screens
will maintain a consistent dark background to differentiate them from the alarm screens shown below�
Alarm System
The Generator G11 includes integrated diagnostics that monitor the operation of the generator and accessories and flash either informative
screens or alarms with no delay� In addition to audible alarm sounds, the display of alarms on the front panel is easily observable by
the surgeon or nursing staff from the surgical field� All alarms are technical alarms and are based on electrical parameters� There are no
physiological alarms that are produced by the Generator G11�
Alarm settings are not adjustable by the operator nor can priority be reassigned� Alarm settings also do not adjust to operator inputs nor do they
change through power loss� The Power on Self Test (POST) verifies that the generator is operational� Since the alarms are integrated into the
software algorithms responsible for running the appropriate instruments, the POST also verifies alarm operation� Therefore, a separate test for
verifying the alarm output is not required� During the POST an audio tone is emitted from the generator so the user can verify that the audio
output is operational� Visual output can also be verified through the start up screens� Alarm audio cannot be paused but audio automatically
ends when the user discontinues activation of the instrument�
Alarms and other events are logged in the generator� The log is retained after power is removed and is accessed through the biomed screen�
There is no reminder signal�
Audio Sound Pressure Levels
• Medium level alarms: Greater than 75 dBA (not adjustable)
• Low level alarms: Within 70 - 75 dBA (not adjustable)
Alarm Definitions
The following alarm priorities are used for the Generator G11� All alarms stop generator output and high priority alarms will take precedence
over lower priority alarms� Only one alarm will be displayed at a time since any alarm stops output�
Low Priority Alarms
Requires surgical staff attention for continued, efficient procedural progress� A low priority issue will not generally progress to a hazardous
condition even if not addressed promptly but it must be addressed to continue the procedure� The screen shows a solid yellow background with
a low priority alarm symbol� A two-tone audio alarm sound accompanies a low priority alarm�
Medium Priority Alarms
Requires prompt surgical staff attention to reduce or mitigate a hazardous condition� Ignoring this alarm can result in a serious injury or death�
The screen shows a solid yellow background with a flashing medium priority alarm symbol� A three-tone audio alarm sound accompanies a
medium priority alarm�
High Priority Alarms
There are no high priority alarm conditions in the Generator G11�
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