RemediesPossible causesAlarm Message
Check the gas supply lines.
Perform a Pre-use check.
Contact a service technician.
O
2
supply pressure above 6.0 kPa x 100.
O
2
supply pressure at gas inlet is too
high.
O
2
supply pressure:
High
Check and connect gas supply lines.
Perform a Pre-use check.
O
2
supply pressure below 2.0 kPa x 100.
O
2
supply pressure at gas inlet is too low.
Gas supply line disconnected.
Note: This alarm can be permanently
silenced (Audio off) when activated.
O
2
supply pressure:
Low
Check control cable.
Contact a service technician.
No communication between user
interface and patient unit.
Panel disconnected
Check patient breathing system.
Check patient connection (cuff
pressure/tracheal tube size).
Perform a Pre-use check.
Check ventilator settings.
Check alarm settings.
The measured end expiratory pressure
is above the preset or default alarm limit
for three consecutive breaths.
PEEP High
Check patient breathing system.
Check patient connection (cuff
pressure/tracheal tube size).
Perform a Pre-use check.
Check alarm settings.
The measured end expiratory pressure
is below the preset or default alarm limit
for three consecutive breaths.
Setting the alarm to zero turns the alarm
off.
Leakage in patient breathing system.
Leakage at patient connection (cuff,
tracheal tube).
PEEP Low
Check ventilator settings.It is not possible to reach the Set volume
in PRVC due to restrictions imposed by
the set upper pressure limit.
Set high pressure alarm limit; this limits
the regulatory pressure used in PRVC.
Regulation pressure
limited
Attend to the patient.
Check the trigger setting.
Respiratory rate too high.
Auto triggering.
Respiratory Rate:
High
Attend to the patient.
Check trigger setting.
Check End inspiration setting
Respiratory rate too low.
Trigger sensitivity setting incorrect.
Large tidal volume.
Respiratory Rate:
Low
Check the adjustment for the inspiratory
tidal volume.
Setting causing larger volume than
allowed for the selected category.
Limited adjustment of excessive tidal
volume.
VT inspiratory
overrange
SERVO-s VENTILATOR SYSTEM V8.0, User's Manual
139
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