Penlon AV-S, Service Manual, Page: 36 / 94

DESCRIPTION
Alarm
Priority
T
rigger
Mute
Set by:
time
V
entilator Inoperative
High
Internal failure or Battery failure
zero
Automatic
Power
About to Fail
High
V
entilator is on battery
, and the battery volt
age is less than 10.2 v
zero
Automatic
Low Drive Gas Supply Pressure
High
Less than 235 kPa (35 p
si +/-1 p
si)
zero
Automatic
Low Bellows Drive Gas Pressure
High
Fails to reach t
arget level
30 s
Automatic
High Bellows Drive Gas Pressure
High
Exceeds calculated t
arget level
30 s
Automatic
High Continuous
Airway Pressure
High
Breathing system pressure fails to return to below 30 cmH
2
O 120
s
Auto
by the st
art of the next inspiratory phase
High
Airway Pressure
High
Pressure reaches set limit (10 to 80 cmH2O adjust
able)
30 s
User / Default
Low
Airway Pressure
High
Breathing system pressure fails to reach minimum level
120 s
Default
Negative
Airway Pressure
High
Breathing system pressure exceeds 10 cmH2O
120 s
Automatic
Low
T
idal V
olume
High
a) Measured Vt less than 50% of volume set
120 s
User / Default
b) S
pirometer disconnected
Low Minute V
olume
High
Calculated volume lower than 50% of volume set
120 s
User / Default
Apnoea
High
In S
pont
aneous mode, no breath detected within 15 seconds
120 s
Auto
High
T
idal V
olume
High
Measured value exceeds 150% of set value
120 s
User / Default
High Minute V
olume
High
Calculated value exceeds 150% of set value
120 s
User / Default
High O2 Concentration
High
Measured O2 % exceeds set value
120 s
User / Default
Low O2 Concentration
High
Measured O2 % lower than set value
120 s
User / Default
O2 Sensor low output
Low
Sensor life exhausted
zero
Auto
O2 sensor fault
High
Sensor disconnected
120 s
Auto
Incorrect Rate or Ratio
Medium
Settings out
side 75 L/min
120 s
Auto
Mains Failure
Low
Mains power fails
zero
Auto
30 minutes use available (if battery is fully charged)
Battery Power Fail
Medium
Battery disconnected, or missing, or tot
ally discharged
120 s
Low Battery
Low
Battery volt
age has dropped below 1
1.2 v
zero
Absorber cable fault (A100SP)
Medium
Disconnection or short circuit
120 s
Auto
Printer not available
Low
Printer disconnected, or has no power
, or has no p
aper
zero
Priority identification: High Priority: 5 ascending tones - repeated
Medium Priority: 3 ascending tones - repeated
Low Priority: Single T
one - repe
ated
30
3.11 Alarms