Comen K1 - Page 60

Troubleshooting
EtCO2 fault
Fault Phenomenon
Possible Reason
Inspection and Repair
Inaccurate measurement of EtCO2
No CO2 zeroing before use
Perform zero calibration of the EtCO2 probe
Incorrect settings such as altitude
Check EtCO2 settings to ensure proper settings
CO2 accessory failure
Replace accessories such as sampling tube, drying tube,
airway adapter, etc.
CO2 module failure
Replace the CO2 Module
The CO2 waveform and parameter
area are not displayed, sometimes
there are technical alarms
The CO2 function is not turned on, and the CO2
waveform display is not turned on
Turn on CO2 in the module switch settings, and turn on
the CO2 waveform area in the screen display settings
Inaccurate CO2Type setting in factory maintenance
Check the CO2Type setting to make sure it matches the
CO2 module in using
CO2 module failure
Replace the CO2 module