Weinmann VENTIlogic LS Instructions For Use Manual page 83

Display
V
T high
O
2 high
O
2 low
Frequency *
low
Frequency *
high
Pressure
high
(VENTIlogic LS only)
Alarm
Maximum tidal
volume exceeded.
Medium priority
Maximum oxygen
concentration
exceeded at device
outlet port.
Medium priority
Minimum oxygen
concentration
undershot at device
outlet port.
Medium priority
Minimum respiratory
frequency undershot.
Low priority
Maximum respiratory
frequency exceeded.
Low priority
Maximum pressure
exceeded. Low
priority, after 10
breaths, rises to
medium priority
Cause of fault
Leak in the single patient
circuit (only with patient
circuit with patient
valve)
Patient breathing as well
Oxygen supply too high
as a result of oxygen
flow rate being
incorrectly set
Oxygen sensor
incorrectly calibrated
Oxygen flow rate set too
low
Leak
Oxygen supply
interrupted
Oxygen sensor
incorrectly calibrated
Apnea in spontaneous
breathing mode
Patient hyperventilating
Various possible causes,
e.g. reduction in lung
impedance
Remedy
Find and eliminate leak,
replace patient circuit if
required
Have settings checked by the
doctor supervising treatment
Check whether the oxygen
flow rate prescribed by the
doctor is set correctly at the
oxygen source. Have settings
checked by the doctor
supervising treatment if
appropriate
Calibrate oxygen sensor
Check whether the oxygen
flow rate prescribed by the
doctor is set correctly at the
oxygen source. Have settings
checked by the doctor
supervising treatment if
appropriate
Find and eliminate leak
Check oxygen supply and
connections
Calibrate oxygen sensor
Have settings checked by the
doctor supervising treatment
Calm patient and move
towards a "normal"
respiratory frequency. Call a
doctor
Have settings checked by the
doctor supervising treatment
EN
Troubleshooting
83