Welch Allyn 4200B Directions For Use Manual page 48

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Table 7. No Blood Pressure Cuff Inflation
Possible Cause
Connections between device and blood
pressure cuff loose
Table 8. Temperature Malfunction
Possible Cause
Error code displayed
Low temperature
readings
No temperature displayed Probe not replaced
Table 9. SpO
Possible Cause
Sensor in place but no SpO
display
Table 10. Device Does Not Turn On
Possible Cause
Low battery
Device not powering up
Table 11. Blood Pressure Cuff Too Tight (Over Inflation)
Possible Cause
Pressure preset too high
Explanation
Broken probe
Improper probe
placement
Malfunction
2
Corrective Action
on Insert the patient's finger completely into sensor.
2
Verify blood pressure and SpO
Verify the sensor cable is correctly plugged into device.
Verify you are using the correct sensor. Use only Masimo or Nellcor SpO
and accessories with the Welch Allyn Spot Vital Signs with Masimo or Nellcor
configurations, respectively.
Explanation and Corrective Action
Check connections between device and transformer, and transformer and wall
receptacle.
Unplug unit from wall receptacle and check for breaks in cord. If connections are
secure, check electrical outlet.
Charging indicator is on if connections are good and the device is plugged into a
working outlet.
Notify biomedical department or Welch Allyn Technical Support.
Explanation and Corrective Action
Check default Pressure Preset setting in internal configuration mode. Unless patient
has underlying systolic hypertension, set pressure preset at 160 mmHg. (If systolic
blood pressure greater than pressure preset, the device automatically increases an
additional 40 mmHg.)
Explanation and Corrective Action
Check all connections (do not overtighten).
Corrective Action
Replace probe. Consult Service Manual. Notify biomedical
department or Welch Allyn Technical Support.
Place probe in most posterior sublingual pocket when in
Oral Mode. Verify patient has had nothing to eat or drink
for 20 minutes.
Replace probe in holder prior to taking another
temperature.
measurements are not taken on the same extremity.
2
Welch Allyn Spot Vital Signs
sensors
2