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System messages
9.3 MEDIUM PRIORITY ALARMS
Alarm Message
Air supply pressure:
High
Air supply pressure:
Low
Alarm output
connection error
Battery operation
Check alarm limits
Check default alarm
limits
Exp. cassette
exchanged
Inspiratory flow
overrange
Internal
temperature: High
Leakage out of
range (A medium
priority alarm when
NIV disconnect flow
is disabled). See
section High priority
alarms.
O
supply pressure:
2
High
O
supply pressure:
2
Low
Panel disconnected
136
|
Possible causes
Air supply pressure above 6.0 kPa x
100 (87 psi)
Air supply pressure at gas inlet is too
high.
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.
Technical problems (hardware or
software) with the external alarm
function.
AC power interrupted.
The persistent memory has corrupt
contents.
Problems in internal memory for default
alarm limits.
Expiratory cassette has been exchanged
during operation. Pre-use check not
performed after exchange.
Combination of settings exceeds the
allowable inspiration flow range.
Temperature inside the ventilator is too
high.
Leakage too high. The mask / prongs /
helmet may not be adjusted properly for
the patient or may be the wrong size.
O
supply pressure above 6.0 kPa x 100.
2
O
supply pressure at gas inlet is too
2
high.
O
supply pressure below 2.0 kPa x 100.
2
O
supply pressure at gas inlet is too low.
2
Gas supply line disconnected.
Note: This alarm can be permanently
silenced (Audio off) when activated.
No communication between user
interface and patient unit.
Remedies
Check the gas supply lines. Perform a
Pre-use check.
Contact a service technician.
Check and connect gas supply lines.
Perform a Pre-use check.
Contact a service technician.
Check the connection to AC power.
Check the alarm limits.
Check default alarm limits.
Contact a service technician.
Perform a Pre-use check.
Change ventilator settings.
Check fan operation.
Check the operating temperature.
Clean the fan filter in the patient unit.
Check patient and breathing system.
Check mask/ prongs size and patient fit.
Check the helmet leakage.
Check the gas supply lines.
Perform a Pre-use check.
Contact a service technician.
Check and connect gas supply lines.
Perform a Pre-use check.
Check control cable.
Contact a service technician.
SERVO-s VENTILATOR SYSTEM V7.0, User's Manual
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