Welch Allyn Connex Vital Signs Monitor 6000 Series Service Manual page 45

Service manual
RRa
Symptom
The RRa frame on the display
is blank
The RRa frame is not available.
CO2
Symptom
The CO2 frame on the display
is blank
The pump does not activate when
the sampling line is attached
The etCO2 and RR frames are
unavailable.
Possible cause
The RRa sensor is not connected.
The sensor or cable is defective.
The UI license is not installed.
The Masimo module does not have the RRa
parameter enabled.
The selected profile does not support RRa.
Possible cause
A USB cable is defective
The CO2 module is not connected
The CO2 module is not functional
If no CO2 error is logged, the main board might
be defective
The sampling line is not securely attached
The input connector is dirty
The selected profile does not support CO2
Troubleshooting 39
Suggested action
Connect an RRa sensor.
Replace the sensor or cable.
Purchase a license and install it
using the service tool.
Purchase the parameter and
install it using the service tool.
Change the profile to Continuous
Monitoring.
Suggested action
Replace the internal USB cable.
Check the internal USB
connections.
Check the error logs for CO2
errors. See the service tool help
files for details on specific errors
and suggested actions.
Check with Welch Allyn for
software updates.
Replace the main board if
necessary.
Screw the sampling line
connector clockwise into the CO2
input connector on the monitor
until it can no longer be turned.
Clean the input connector. See
the appendices for instructions.
Change the profile to Continuous
Monitoring.