Mindray SynoVent E5, Operator'S Manual

Page: 178 / 196

D-2
Apnea ventilation H Apnea ventilation mode is started when the time of failure
to detect respiration exceeds Tapnea. When this alarm is
triggered, press [
Alarm Reset ] key and the alarm
disappears. The system returns to the previous ventilation
mode.
ftot Too High M The total breathing frequency is greater than ftot high
alarm limit.
Check the ventilation parameter settings. Especially, check
if the trigger level setting is normal. Check for leakage
which results in mis-trigger.
Pressure Limited L The airway pressure reaches Plimit.
Increase Plimit or decrease TV setting. Check the hoses
for leakage.
When this alarm is triggered, press [
Alarm Reset ] key
and the alarm disappears.
CO2
module
EtCO2 Too High M The measured parameter value exceeds the alarm limit.
Check the patient’s physiological condition. Make sure
that patient type and alarm limit settings are correct.
EtCO2 Too Low M
FiCO2 Too High M
D.2 Technical Alarm Messages
Source Alarm message P Cause and action
System
Low Battery
Voltage M Battery voltage is lower than the threshold value.
Connect AC power supply immediately .In case of power
failure, apply manual ventilation mode to help the patient
to breathe. If the batteries cannot be fully charged within
24 hours, contact your service personnel.
Battery in Use L The system is currently powered by batteries. Connect AC
power supply. When this alarm is triggered, after
connecting to the power, press [
Alarm Reset ] key and the
alarm disappears.
System DOWN for
battery depletion! H Battery capacity is depleted and the system will shut down
in a few minutes.
Connect AC power supply immediately. In case of power
failure, apply manual ventilation mode to help the patient
to breathe. If the batteries cannot be fully charged within
24 hours, contact your service personnel.
Battery Undetected M No batteries are installed.
Power Supply
Voltage Error H Internal power supply voltage is abnormal. Restart the
ventilator. If the problem persists, contact your service