BIO-MED DEVICES Crossvent-2i+ Operation & Service Manual page 37

V. S E T U P
PROBLEM
Battery fails to charge properly
LOW BATTERY indicator on
No exhaled tidal volume reading
Incorrect tidal volume reading
Incorrect O reading
2
No O readings
2
M E N U A N D T R O U B L E S H O O T I N G -
POSSIBLE CAUSE
1. Plug-in power supply not connected
2. No voltage at outlet
3. Defective battery
4. Defective charger
Battery discharged
1. Pneumotach disconnected
2. Problem with
differential pressure transducer.
1. Incorrect flow calibration
2. Blocked or kinked pneumotach tubes
3. Leak in patient circuit or endotracheal
4. Inspiratory terminated
Pressure high alarm limit
1. O sensor not connected
2
2. Incorrect calibration procedure
3. Faulty sensor cell
O sensor turned off
2
C O N T .
purging lines or
by Peak
32
CORRECTIVE ACTION
1. Connect plug-in power supply
2. Connect to an active outlet
3. Replace battery
4. Replace charger
AC power must be restored and battery
charged
1. Reconnect the pneumotach
and/or tubes
2. Service needed
1. Review flow calibration procedure
and recalibrate
2. Check pneumotach tubes and
correct blockage
3. Check and correct the patient
circuit and endotracheal tube for
leaks
4. Adjust Peak Pressure high alarm
limit
1. Connect sensor
2. Review calibration procedure and
recalibrate
3. Replace cell
Turn on