Prma 460 49 User Manual
Description
3.13.9 Alarms
User adustable alarms
Use the menu systems to set the requred lmts Press the menu swtch (1) on the front panel,
and select ALARM SETTIN, or use the touchscreen
Hgh Prorty Alarms Hgh prorty alarms are accompaned by fve ascendng tones that are repeated
Medum Prorty Alarms Medum prorty alarms are accompaned by three ascendng tones that are repeated
Low Prorty Alarms Low prorty alarms are accompaned by one tone, not repeated
Alarm Prorty Trgger Mute
tme
Set by
Ventlator noperatve (vent nop) Hgh Internal system falure heck error log for key None Automatc
Outlet blocked Hgh Postve pressure on PEEP sensor exceeds 122 cmHO, due to blocked exhaust
valve outlet
None Automatc
Low supply pressure Hgh Suppled drve gas pressure on pressure swtch s less than 235 kPa (35 ±1 ps) None Automatc
Low arway pressure Hgh Bellows drve gas pressure sensor fals to see at least 75% of set target level
(pressure control)
120 s Automatc
Hgh drve gas pressure Hgh Arway and drve gas pressure exceeds calculated target level 120 s Automatc
Hgh contnuous pressure Hgh PEEP +10 cmHO for 1 cycle, or PEEP +5 cmHO for 3 cycles A PEEP value of 4
cmHO s used for PEEP values ≤4 Standby the alarm trggers after 15 seconds
120 s Automatc
Hgh arway pressure Hgh Arway pressure sensor Pressure reaches set lmt (10 to 80 cmHO adustable) 30 s User/Default
Negatve arway pressure Hgh Arway pressure sensor Breathng system pressure exceeds (-)10 cmHO 120 s Automatc
heck pressure sensng Hgh Arway pressure sensor Breathng system pressure exceeds (-)10 cmHO 120 s Automatc
Low tdal volume (VT) Hgh a) Expratory sprometer sensor Measured VT less than 50% of volume set
b) Expratory sprometer sensor dsconnected
120 s User/Default
Low mnute volume (VM) Hgh Expratory sprometer sensor alculated volume lower than -50% of volume set 120 s User/Default
Apnoea Hgh Breath not detected wthn 15 s Mute tme varable n spontaneous mode only 15-180 s Automatc
Hgh tdal volume (VT) Hgh Inspratory sprometer sensor - measured value exceeds 150% of set value 120 s User/Default
Hgh mnute volume (VM) Hgh Inspratory sprometer sensor - calculated value exceeds 150% of set value 120 s User/Default
Hgh Oxygen concentraton % Hgh Oxygen montor (fuel cell type) Measured O % exceeds set value 120 s User/Default
Low Oxygen concentraton % Hgh Oxygen montor (fuel cell type) Measured O % lower than set value 120 s User/Default
Oxygen sensor fault Hgh Oxygen montor (fuel cell type) Sensor dsconnected 120 s Automatc
Power about to fal Hgh Machne s runnng on battery power and s about to shut down because battery
power s depleted to a crtcal level
(a) Less than 5 mnutes battery lfe remans
(b) When total power falure s mmnent, the shutdown procedure starts
automatcally
None Automatc
Alarm prorty fault Hgh An error prorty has been generated, that s dfferent from the audble alarm tone
that s beng played
None None
Alarm speaker fault Hgh Malfuncton of the alarm speaker None None
UI watchdog fault Hgh UI not actve, no sgnal receved from UI to the core Ventlaton wll reman actve 30 s None
Flowmeter sensor fault Medum Indvdual gas sensor falure The gas flow dsplay s dsabled (see 3112) 120 s None
Rate or Rato error Medum The parameters set for ventlaton cannot be acheved 120 s None
Battery power fal Medum Battery s not relable or Battery fault 120 s None
Sensor cable fault Low Absorber cable fault None None
Low battery Low Less than 20 mnutes battery power avalable None None
A power falure Low Mans power not avalable, runnng on battery None None
Oxygen sensor low output
Low
Oxygen oncentraton s less than the low alarm lmt None None
PRVC high pressure Low Above PRVC pressure range (see 3.13.4) None None
PRVC low pressure Low Below PRVC pressure range (see 3.13.4) None None
Note
1 In prmary alarm falure condtons, the secondary alarm wll sound, but wll be subect to volume control
2 The Alarm mute symbol s dsplayed adacent to the Icons
The symbol s shown wth a numerc value (1) that represents seconds of mute tme that remans
3 If a Masmo Nomolne AX+ or OR+ module s nstalled refer to Appendx 7 - Alarms
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