Troubleshooting - Nonin LS1 Operator's Manual

Lifesense ii
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Troubleshooting

Troubleshooting
Detected fault conditions messages display on the operating screen. The fault conditions are either
operator- or system-generated. The table below lists common messages, descriptions, and actions to
take.
If these solutions do not correct the problem, please contact Nonin Technical Service at (800) 356-
8874 (USA and Canada), +1 (763) 553-9968, or +31 (0)13 - 79 99 040 (Europe).
Message/Problem
No EtCO
value or
2
waveform displays
after monitor start-up.
Possible Cause
Patient is not connected to
monitor.
Filter is incorrectly inserted
into moisture trap or is
missing.
Moisture trap is not properly
seated in the monitor.
The monitor has an internal
air leak.
Possible Solution
Verify sample line or cannula are properly
connected to the patient and the moisture trap.
Remove the moisture trap from the monitor to
verify filter is properly inserted into the moisture
trap.
Verify the moisture trap and filter are properly
inserted in the monitor by creating an occlusion:
1. Using a finger, cover the Luer lock connector
inlet. After 10 seconds, the pump shuts off and
the "Occlusion" pop-up window displays.
2. Remove the finger and press OK to resume.
3. If there is still no value or waveform, the
moisture trap is not inserted properly.
4. Remove and reinsert the moisture trap in the
monitor.
5. Repeat occlusion test.
Verify that there is not an internal leak to the
pump by creating an occlusion:
1. Remove the moisture trap
from the monitor.
2. Using a finger, cover the small
hole in the recessed area of
the monitor (see arrow in
figure at right).
3. After 10 seconds, the pump
shuts off and the "Occlusion"
pop-up window displays.
4. Remove the finger and press
OK to resume.
5. If there is still no value or waveform, contact
Nonin Technical Service.
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