5 Troubleshooting
5-2
05/04 1006-0453-000
5.1 Troubleshooting instructions
For ventilator problems that do not generate any error or alarm messages, even
though the ventilator may not be functioning correctly:
• Refer to section 5.4, Mechanical/electrical troubleshooting guide.
For ventilator problems that result in an Alarm or Error message:
• Refer to section 5.2, System Error Log.
• Refer to section 5.3, Alarm messages.
To help isolate a problem:
• Refer to section 5.5, Troubleshooting Flowcharts.
To locate specific test points:
• Refer to section 5.6, Power supply test points.
Important
If the ventilator experiences extreme electrical interference, it may interrupt
mechanical ventilation. If this interruption occurs, the ventilator generates an
internal reset function and resumes normal operation after two (2) seconds.
For situations where continuous electrical interference is experienced by the
ventilator, causing a continuous interruption, the ventilator's internal reset
repeats until the interference ceases.
If the electrical interference is continuously present and mechanical
ventilation is interrupted for approximately 30 seconds, the ventilator
produces a continuous beeping audio alarm. Manual ventilation of the
patient must be performed while the mechanical ventilation is interrupted.
When the electrical interference ceases, the continuous beeping audio alarm
can be silenced only by turning the ventilator or anesthesia machine, as
applicable, power switch OFF and after five seconds back ON.
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WARNING
This system operates correctly at the electrical interference levels of IEC
601-1-2. Higher levels can cause nuisance alarms that may stop
mechanical ventilation.
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WARNING
Manual ventilation must be performed when electrical interference
causes interruption of ventilator delivered mechanical ventilation.
Manual ventilation must be continued until the ventilator resumes
normal operation or an alternate ventilator/anesthesia system can be
used.
Summary of Contents for Aestiva 7900 SmartVent
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