9.3 Medium priority alarms
RemediesPossible causesAlarm Message
Check the gas supply lines. Perform a
Pre-use check.
Contact a service technician.
Air supply pressure above 6.0 kPa x
100 (87 psi)
Air supply pressure at gas inlet is too
high.
Air supply pressure:
High
Check and connect gas supply lines.
Perform a Pre-use check.
Air supply pressure below
2.0 kPa x 100 (29 psi)
Air supply pressure at gas inlet is too low.
Gas supply line disconnected.
Note: This alarm can be permanently
silenced (Audio off) when activated.
Air supply pressure:
Low
Contact a service technician.Technical problems (hardware or
software) with the external alarm
function.
Alarm output
connection error
Check the alarm limits.The persistent memory has corrupt
contents.
Check alarm limits
Check default alarm limits.
Contact a service technician.
Problems in internal memory for default
alarm limits.
Check default alarm
limits
Perform a Pre-use check.Expiratory cassette has been exchanged
during operation. Pre-use check not
performed after exchange.
Exp. cassette
exchanged
Change ventilator settings.Combination of settings exceeds the
allowable inspiration flow range.
Inspiratory flow
overrange
Check fan operation.
Check the operating temperature.
Clean the fan filter in the patient unit.
Temperature inside the ventilator is too
high.
Internal
temperature: High
Check patient and breathing system.
Check mask/ prongs size and patient fit.
Check the helmet leakage.
Leakage too high. The mask / prongs /
helmet may not be adjusted properly for
the patient or may be the wrong size.
Leakage out of
range (A medium
priority alarm when
NIV disconnect flow
is disabled). See
section High priority
alarms.
Connect to AC power.Less than 10 minutes left of battery
operating time.
Limited battery
capacity
Check patient and breathing system.
Check ventilator settings.
The ventilator has switched between
supported and backup ventilation four
times in two minutes.
The patient has only triggered a single
breath to interrupt each of two
consecutive backup periods
No consistent
patient effort
Check patient and breathing system.
Check ventilator settings.
An apnea has caused the ventilator to
switch to backup ventilation.
No patient effort
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SERVO-s VENTILATOR SYSTEM V8.0, User's Manual
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| System messages |
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