D-7 
Measurement  Alarm message  L I Cause and solution   
CO
2
 Checking Sensor  L  C
Re-plug the module or restart the monitor. 
CO
2
 Replace 
Scrubber&Pump 
L C
CO
2
 15V Overrange  H  C
CO
2
 Hardware Err  H  C
CO
2 
Calibration 
Required 
L C
Perform a calibration. 
CO
2
: Change 
Watertrap 
L C
Replace the watertrap. 
CO
2
: Watertrap and 
Patient Mismatch 
L C
Check the patient category and use a 
correct watertrap. 
Power  12V Too High  H  C There is a problem with the system power 
supply. Restart the monitor.   
12V Too Low  H  C
5V Too High  H  C
5V Too Low  H  C
3.3V Too High  H  C
3.3V Too Low  H  C
Battery Too Low  H  C Connect the monitor to an AC power source 
and allow the batteries to charge. 
Different Battery 
Voltages 
M  C The two batteries have different charge 
capacity, or the batteries unspecified have 
been used, or there is a problem with the 
batteries. Make sure that correct batteries 
are used and the batteries are not damaged, 
or replace the batteries. 
Battery Overload  H  C The power consumption of the equipment is 
too high. Power the monitor using an AC 
power source. 
RT Clock Not Exist  H  C Contact your service personnel. 
Recorder  Recorder Init Err N  L  A Restart the monitor. 
N is within 1 to 8. 
Recorder SelfTest Err  L  A Stop the recording and restart the monitor. 
Recorder Comm Err  L  A
Recorder S. Comm 
Err  
L A
Recorder Unavailable  L  A
Recorder Vlt High  L  C An error occurred to the system power