Product Manual
64 Maintenance and Service Welch Allyn Spot Vital Signs LXi
Regularly wipe the probe with a cloth dampened with warm water and a mild detergent 
solution, a 70% isopropyl alcohol solution, or a 10% chlorine bleach solution.
Removable Probe Well
1. Remove the temperature probe from Spot LXi (see “Temperature Probe” on page 63).
2. Grasp the well under the probe opening and pull up gently to remove it from the 
device.
3. Swab the inner and outer surface of the probe well with a cloth dampened with a mild 
detergent solution, 70% isopropyl alcohol, or 10% chlorine bleach solution. Immerse 
the probe well in mild detergent solution as necessary for cleaning.
4. Dry all surfaces thoroughly before re-assembling the device (see “SureTemp Plus” on 
page 27) for reassembly instructions.
Braun ThermoScan PRO 4000 Thermometer
Use a soft cloth slightly moistened with alcohol to clean the thermometer display and 
exterior. Do not use abrasive cleaners. 
Damage to the probe window or the presence of dirt or cerumen on the probe window 
can affect the accuracy of your temperature measurement. To clean the window, gently 
wipe it with a cotton swab slightly moistened with alcohol and immediately wipe dry with 
a clean cotton swab. Allow to dry at least five minutes before taking a temperature.
Every month, clean the Braun ThermoScan PRO 4000 charging contacts within the Spot 
LXi housing with a swab slightly dampened with alcohol.
SpO
2
 Sensors
Clean the reusable SpO
2
 sensor with a 70% isopropyl alcohol solution. Do not immerse 
the sensor.
Printer 
The printer label kit comes with a two-step head cleaner. Follow the directions provided 
with the cleaner.
Caution DO NOT use hard or sharp objects to clean the probe well. This could 
damage the probe well and cause the device to not function properly.
Caution DO NOT use steam, heat, or gas sterilization on the probe well.
Caution DO NOT autoclave the probe well.
WARNING  Do not immerse the sensor in water, solvents, or cleaning solutions 
(the sensors and connections are not waterproof). Do not use irradiation, steam, 
or ethylene oxide for sterilization. 










