CareFusion AVEA Operating Instructions Manual page 61

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