CareFusion AVEA - Page 61

AVEA ventilator systems Chapter 2: Unpacking and Setup 47
L2786 Rev. M
Symptom
Problem
Solution(s)
Volume waveform above or below
baseline on patient with internal
sensor
Humidifier "Active on/off" set
incorrectly
Set for "Active on” for humidifier,
"Active off" for “HME"
Normal if readings are within
ventilator accuracy specifications
of +/-10%
No action required if within
specification
Bad expiratory flow sensor
Clean or replace expiratory flow
sensor
Internal fault
Call Technical Service
Volumes become inaccurate over
time
Foreign material on flow sensor Clean/replace sensor
Internal fault
Call Technical Service
Nebulizer output absent
Ventilator running on compressor
Connect wall air
Flow less than 15 L/min
Increase flow if appropriate
Internal fault
Call Technical Service
F
IO
2
monitor inaccurate or reads "***"
O
2
sensor requires calibration
Perform EST
O
2
sensor at end of life
Replace O
2
Sensor
PEEP too high
Exhalation filter cartridge clogged
or saturated
Replace cartridge
Defective exhalation diaphragm
Change exhalation diaphragm
Unit will not run on A/C power Blown fuse on power entry module Replace fuse
Power cord not connected to
mains power
Check connections
Unit will not run properly on battery
Battery not sufficiently charged
Internal battery requires at least 4
hours to be fully charge. External
battery requires at least 12 hours
with green LED lit for a full charge.
Improper charge level indicator -
Internal battery
Excessively discharged battery
Requires at least 4 hours for full
charge
• The internal battery does not
operate for the specified time.
• The battery charge level indicator
LED is green, but the battery
operation time is less than
specified.
• The batteries do not appear to
maintain adequate charge.
Maintenance and testing required.
Perform Internal Battery Charge
Monitor Reset