Escort Prism 20401 Reference Manual page 147

ETCO Solutions (Prism SE Only)
2
Problem
No Sensor message.
Filt Occl message.
SureTemp Solutions
Problem
T1 Position message.
Unit never displays T1 Ready.
Unit constantly displays T1
initial.
Suspected inaccurate reading.
T1 Error message.
Unit switches from predictive to
monitor mode automatically.
Possible Causes
No filterline connected.
Filter occluded/airway blockage
detected.
Possible Causes
Incorrect probe placement or
movement.
Probe switch failure.
Probe not attached properly.
Probe never inserted into well.
Defective probe.
Defective cable.
Defective probe.
Incorrect probe covers.
T1 not ready.
Technique.
Defective probe.
Loss of communication.
Ambient temperature above
o
90 F.
Patient temperature outside
predictive temperature range.
10-5
Action/Solution
Connect a filterline to monitor.
Remove/Replace filterline.
Action/Solution
Check location of probe to verify
monitor is set for position used.
For example, axillary, oral, or
rectal.
Check/Replace probe switch.
Reattach probe properly.
Insert probe into well.
Replace probe.
Replace cable.
Check/Replace probe.
Verify Welch Allyn probe
covers are used.
Ready message not displayed
before attempted temperature.
Verify good clinical technique.
For example, sublingual pocket
w/oral reading.
Check/Replace probe.
Check/Replace SureTemp board.
Relocate/Reposition unit.
Use MONITOR mode for
temperature measurement.