Philips Trilogy Evo Universal - Page 51

Instructions for Use | Alarms and System Messages
Alarms and System Messages 51
LOSS OF CO
2
SIGNAL
Priority
Medium
Why it occurs
The EtCO
2
sensor is reporting invalid data, the sensor signal is lost, or no breaths are detected for
more than 10 seconds while the device is delivering therapy.
What to do
Ensure that the EtCO
2
sensor is properly attached to the ventilator and the patient circuit.
Requirements
The High EtCO
2
alarm or Low EtCO
2
alarm is enabled and the sensor was previously reporting valid
data for 3 continuous seconds..
Device
performance
during active
alarm
The alarm is automatically resolved when the EtCO
2
sensor is properly attached to the ventilator and
the patient and the sensor reports data.
Device will continue to operate.
LOSS OF SPO
2
SIGNAL
Priority
Medium
Why it occurs
The oximeter is reporting invalid data or the oximeter is disconnected for more than 10 seconds while
the device is delivering therapy or is in standby.
What to do
• Ensure that the SpO
2
probe is properly attached to the ventilator and the patient.
•
Reposition the probe on the patient, if necessary.
Requirements
Low SpO
2
, high SpO
2
, low pulse rate, or high pulse rate alarm is enabled and the oximeter was
previously reporting valid data for 3 continuous seconds.
Device
performance
during active
alarm
The alarm is automatically resolved when the SpO
2
probe is properly attached to the ventilator and to
the patient and the oximeter reports data for more than 10 seconds.
Device will continue to operate.
CO
2
SENSOR ADAPTER ZERO REQUIRED
Priority
Medium
Why it occurs
The CO
2
sensor requests a zero when the device is delivering therapy.
What to do
Reestablish the baseline CO
2
level. Follow the “CO
2
Sensor Adapter Zero” procedure in the “Device
Options” chapter.
Requirements
CO
2
sensor
Device
performance
during active
alarm
Device will continue to operate.
CO
2
monitored parameters and alarms will not function
CHECK/CHANGE CO
2
AIRWAY ADAPTER
Priority
Medium
Why it occurs
The CO
2
sensor reports that a check is required when the device is delivering therapy.
What to do
Check the CO
2
sensor
Requirements
CO
2
airway adapter
Device
performance
during active
alarm
Device will continue to operate.
CO
2
monitored parameters and alarms will not function
CO
2
SENSOR FAILURE
Priority
Medium
Why it occurs
The CO
2
sensor reports a fault while the device is delivering therapy.
What to do
•
Disconnect and then reconnect the sensor.
• Replace the sensor.
Requirements
CO
2
sensor
Device
performance
Device will continue to operate.
CO
2
monitored parameters and alarms will not function