CareFusion AVEA Operating Instructions Manual page 62

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