D-6 
Nebulizer Valve 
Failure 
M The nebulizer valve is faulty. Restart the ventilator. If the 
problem persists, contact your service personnel.   
3-way Valve 
Failure 
M The 3-way valve is faulty. Restart the ventilator. If the 
problem persists, contact your service personnel. 
Insp. Temperature 
Sensor Failure 
H The inspiratory temperature sensor is faulty. Restart the 
ventilator. If the problem persists, contact your service 
personnel. 
Volume Limited  L In pressure mode, the inspired tidal volume exceeds the 
high alarm limit. Expiration is switched to when the high 
limit is reached. 
Check for leakage or change parameter. Decrease pressure 
setting or increase tidal volume alarm limit. 
Ctrl Module Init 
Error 
H The control module selftest is passed at power-on. But 
monitoring module system software’s sending parameter 
configuration to monitoring module is failed. Restart the 
ventilator. If the problem persists, contact your service 
personnel. 
Protection Module 
Init Error 
H The protection module selftest is passed at power-on. But 
protection module system software’s sending parameter 
configuration to protection module is failed. Restart the 
ventilator. If the problem persists, contact your service 
personnel. 
CO2 
module 
CO2 Init Error  H An error occurs during CO2 module initialization. 
The CO2 module is not installed properly or is faulty 
Contact your service personnel. 
CO2 Selftest Error  H An error occurs during CO2 module selftest. 
Restart the ventilator. If the problem persists, contact your 
service personnel. 
CO2 Comm Stop  L CO2 module malfunction or communication failure 
occurs. 
Restart the ventilator. If the problem persists, contact your 
service personnel. 
CO2 Comm Error  H CO2 module communication failure. Restart the ventilator. 
If the problem persists, contact your service personnel. 
CO2 Sensor High 
Temp 
L The temperature of the sensor assembly is too high 
(>63℃). Check, stop using or replace the sensor. 
CO2 Sensor Low 
Temp 
L The temperature of the sensor assembly is too low (<5℃).
Check, stop using or replace the sensor. 
CO2 High Airway 
Pressure 
L The airway pressure is too high (>790 mmHg). 
Check the pneumatic connections. Make sure that the 
ventilator application site meets the environmental 
specifications. Check for special sources that affect the 
ambient pressure. Attempt to restart the ventilator.