SECTION 7
OPRHT50NA B0908
7-5
TABLE 7-1: ALARMS
continued
PROBLEM
POTENTIAL CAUSE
SUGGESTED CORRECTIVE ACTION
System Failure Alarm
Device Alert LED red,
continuous audible alarm
Unrecoverable internal system failure.
Ventilate the patient with an alternate
means of ventilation. Make note of the
message in the display window.
Contact N
EWPORT
M
EDICAL
Technical Service
Dept. immediately. See page 1-6 and 1-7
for contact information.
System Error
Unrecoverable internal system failure
e.g., memory error.
Ventilate the patient with an alternate
means of ventilation. Make note of the
message in the display window.
Contact N
EWPORT
M
EDICAL
Technical Service
Dept. immediately. See page 1-6 and 1-7
for contact information.
Power Down Alarm
(Shutdown)
audible alarm, no visual
alarm indicator
Shutdown Alarm indicates that the
ventilator has been powered off.
a. User powered ventilator down.
b. External power cord is disconnected;
internal battery is discharged.
c. External power source and/or
internal battery system failure.
a. Push the Silence/Reset button.
b. Reinsert power cord, and recharge
internal battery.
c. Use an alternate external power sourrce.
If none is available, ventilate the patient
with a manual resuscitator or alternate
ventilator system until problem is corrected.
Replace internal battery when possible.
PCV Not Reached Alarm
Pressure Control modes
▼
Paw/Apnea LED
blinks red, audible alarm
sounds
Gross leak in the patient circuit and/or
humidifier assembly.
Target pressure setting requires a flow
rate that is beyond the HT50’s
maximal flow capability.
Check all patient breathing circuit
connections.
Re-evaluate the ventilator settings and
strategy.
Power Switchover Alarm
Ext. Power LED red
Int. Battery LED
blinks yellow
intermittent audible alarm
External power cord is disconnected.
External power source failure.
Reinsert power cord.
Use the dual internal battery.
Recharge dual internal battery when A.C. is
available.