7-43 
FiCO2 Overrange  Low 
exceeds the measurement 
1. Recalibrate the CO2 module. 
2. If the problem persists, replace the 
CO2 Zero Failed  Low  The CO2 module fails. 
1. Re-zero the CO2 module. 
2. If the problem persists, replace the 
CO2 Init Error  High 
A CO2 initialization 
error occurs. 
1. Re-plug the CO2 module. 
2. If the problem persists, replace the 
CO2 module. 
3. If the problem persists, check the 
connection cable between the 
backplane and the display. 
4. If the problem persists, replace the 
module rack (refer to 11.1.14). 
5. If the problem persists, replace the 
cable between the backplane and 
Incompatible CO2 
Software Version 
High 
incompatible with the 
Replace the CO2 module (M02A 
module not supported). 
CO2 Sensor Error  Low 
The mainstream CO2 
module sensor fails. 
1. Re-plug the CO2 module. 
2. If the problem persists, replace the 
CO2 no sensor  Low 
module sensor is 
disconnected, or a 
communication error 
1. Check the mainstream CO2 module 
sensor. 
2. Replace the mainstream CO2 
module sensor. 
CO2 Check Airway  Low 
airway is abnormal or 
1. Re-plug the CO2 module. 
2. If the problem persists, replace the 
CO2 No Sampleline  Low 
No sampling line is 
connected to the 
MiniMedi CO2 module. 
1. Check the sampling line of the CO2 
module. 
2. Replace the sampling line of the 
CO2 module. 
3. Replace the CO2 module. 
CO2 Main Board 
Error 
High 
The MiniMedi CO2 
module fails. 
1. Re-plug the CO2 module. 
2. If the problem persists, replace the 
CO2 Check Sensor 
or Main Board 
Low 
The MiniMedi CO2 
module fails. 
1. Re-plug the CO2 module. 
2. If the problem persists, replace the 
CO2 Replace 
Scrubber&Pump 
Low 
The MiniMedi CO2 
module fails. 
1. Re-plug the CO2 module. 
2. If the problem persists, replace the 
CO2 Replace Sensor  Low 
The MiniMedi CO2 
module fails. 
1. Re-plug the CO2 module. 
2. If the problem persists, replace the 
CO2 15V Voltage 
Over Range 
High 
The MiniMedi CO2 
module fails. 
1. Re-plug the CO2 module. 
2. If the problem persists, replace the 
1. Re-plug the CO2 module.