CareFusion AVEA - Page 62

48 Chapter 2: Unpacking and Setup Operator's manual
L2786 Rev. M
Symptom
Problem
Solution(s)
Improper charge level indicator -
External battery
Excessively discharged battery
Requires at least 12 hours for full
charge
Loose connections
Check connections
Decreased run time on battery
Battery not fully charged
Internal battery requires at least 4
hours for full charge. External
battery requires a minimum of 12
hours for a full charge.
Defective battery
Call technical Service
Does not run on compressor
Internal fault
Call Technical Service
Auto triggering
Improper sensitivity settings
Check flow and pressure trigger
settings
Circuit leaks
Perform EST and correct leaks as
required. Bias Flow should be set to
approximately 1.5 lm greater than
Flow Trigger setting.
Demand Flow turned off
Turn on Demand Flow
Vent INOP display
System fault
Call Technical Service
Low gas alarm on compressor
Minute volume exceeds 40 L/min
Reduce minute volume
"Loss of gas" alarm
Air/Heliox connector not properly
connected
Insure proper connection
Internal fault
Call Technical Service
Device Error indicator Defective sensor Replace sensor
Exhalation flow sensor not
connected
Check connections
O
2
sensor connector not
connected
Check O
2
sensor
Defective O
2
sensor Replace O
2
sensor
Internal fault
Call Technical Service
Improper connection sequence External battery connection should
be made with AC power
disconnected.
NCPAP Pressure Limit
Occlusion of expiratory limb of
patient circuit.
Occluded expiratory filter
Check expiratory limb for kinks
and/or water
Replace expiratory filter