V. SETTINGS MENU AND TROUBLESHOOTING, cont’d.
31
3131
31
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Ventilator does not start 1. Power cable not connected
and battery discharged
2. Low battery and no power in
electrical outlet
3. Blown fuse in plug-in power
supply
4. ON/OFF switch in the OFF
position
1. Connect power cable; charge or
replace battery
2. Change outlet; charge or replace
battery
3. Replace power supply
4. Switch to ON
CROSSVENT fails to
operate on battery
1. Low battery
2. Missing battery
3. Defective battery
1. Charge battery
2. Insert and attach battery
3. Replace battery
Battery fails to charge
properly
1. Plug-in power supply not
connected
2. No voltage at outlet
3. Defective battery
4. Defective charger
1. Connect plug-in power supply
2. Connect to an active outlet
3. Replace battery
4. Replace charger
LOW BATTERY indicator
on
Battery discharged AC power must be restored and
battery charged
No exhaled tidal volume
reading
1. Pneumotach out of circuit
2. Problem with flow channel or
differential
1. Reinstall the pneumotach
2. Service needed
Incorrect tidal volume
reading
1. Pressure limited
2. Incorrect flow calibration
3. Blocked or kinked
pneumotach tubes
4. Leak in patient circuit or
endotracheal
5. Inspiratory terminated by
Peak Pressure high alarm limit
1. Adjust pressure limit
2. Submit for service
3. Check pneumotach tubes and correct
blockage
4. Check and correct the patient circuit
and endotracheal tube for leaks
5. Adjust Peak Pressure high alarm
limit
Incorrect O
2
reading
1. O
2
sensor not connected
2. Incorrect calibration
procedure
3. Faulty sensor cell
1. Connect sensor
2. Review calibration procedure and
recalibrate
3. Replace cell
No O
2
readings O
2
sensor turned off Turn O
2
sensor on
Low Gas Supply flashing
Gas supply to ventilator is less
than 31 PSI (214 kPa)
Connect a gas supply that can provide
31 to 75 psi (214 – 517 kPa) pressure
at 132 lpm
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