Welch Allyn 4200B, Directions For Use Manual, Page: 46 / 74

38 Welch Allyn Spot Vital Signs
Table 3. Temperature
Code Description Corrective Action
C20 Broken/missing probe Replace probe.
P Loss of tissue contact Ensure proper probe positioning.
E0.2, E0.3 Ambient temperature out of range Adjust ambient temperature or device location.
C22 10-minute diagnostic time exceeded Remove probe, discard probe cover, retake
temperature.
Table 4. SpO
2
Code Description Corrective Action
E7 Internal SpO
2
error. Retake reading.
C6 SpO
2
pulse rate out of range Check patient condition.
C8 Faulty SpO
2
sensor. Replace sensor.
C9 SpO
2
time limit exceeded. Remove sensor from patient. Reapply sensor and
retake reading.