D-11 
MAC < 3  MAC value was less than 3. 
Mixed Agent and 
MAC >= 3 
M More than more anesthetic agents were detected ant the 
MAC value was not less than 3. 
EtCO2 ALM LMT 
ERR 
HThe EtCO
2
 alarm limit settings are outside of the range. 
FiCO2 ALM LMT 
ERR 
H The FiCO2 alarm limit settings are outside of the range. 
CO2 Cal. Error  M An error occurred to CO
2
 calibration. 
CO2 Init Error  H The CO
2
 module was installed improperly or 
malfunctioned. 
CO2 Selftest Error  H Module fault or communication failure between the 
module and anesthesia machine. Re-plug the module, 
restart the anesthesia machine, or try to plug the module 
into another anesthesia machine.   
CO2 Comm Stop    H CO
2
 module malfunction or communication failure 
CO2 Comm Error  H CO
2
 module communication failure 
CO2 Temp 
Overrange 
H The temperature of the module crosses the range. Use the 
module after it is kept away from the heat source or its 
temperature falls within the normal range. 
CO2 Sensor High 
Temp 
M
The temperature of the sensor assembly is too high (>63
℃). Check, stop using or replace the sensor. 
CO2 Sensor Low 
Temp 
M
The temperature of the sensor assembly is too low (<5℃). 
Check, stop using or replace the sensor. 
CO2 High Airway 
Press.  
M Paw is too high (>790 mmHg).An error occurred to the 
airway pressure. Check the patient connection and 
breathing system. Then restart the anesthesia machine. 
CO2 Low Airway 
Press. 
M Paw is too low (<428 mmHg).An error occurred to the 
airway pressure. Check the patient connection and 
breathing system. Then restart the anesthesia machine. 
CO2 High 
Barometric 
M The barometric pressure is greater than 790 mmHg. Check 
the airway connections. Make sure that the anesthesia 
machine application site meets the environmental 
specifications. Check for special sources that affect the 
ambient pressure. Restart the anesthesia machine. 
CO
2 
module 
CO2 Low 
Barometric 
M The barometric pressure is less than 428 mmHg. Check 
the airway connections. Make sure that the anesthesia 
machine application site meets the environmental 
specifications. Check for special sources that affect the 
ambient pressure. Restart the anesthesia machine.