Nonin LS1 Operator's Manual page 54

Troubleshooting
Message/Problem
The indicator
displays in the SpO
2
message area.
The indicator
displays in the SpO
2
message area.
"LOW PERFUSION"
displays in the SpO
2
message area.
Battery indicator
flashes yellow.
Battery indicator
flashes red.
The alarm
continuously sounds.
Low EtCO alarm even
2
though the patient's
EtCO is suspected to
2
be normal.
An error code appears
in the display area.
Monitor will not turn
on.
Monitor will not
operate on battery
power.
Possible Cause
The pulse is hard to detect. Verify perfusion status at the sensor application
Poor pulse signal.
The system detects low
perfusion at the SpO
2
sensor site.
Battery is low. Monitor will
run for approximately
60 minutes.
Battery is critically low.
Monitor will shut off in
10 minutes.
The monitor is not
functioning. This indicates
that a problem has
occurred, possibly due to
interference or software
issues.
All alarms for low EtCO
2
require the operator to
check the patient's status. It
is also possible to get a low
reading if an air leakage has
occurred in the sample line,
Nafion tubing, moisture trap,
or internally.
The monitor encountered an
error.
The monitor has no power.
The battery pack is not
charged.
The battery pack is
inoperable.
Possible Solution
site, minimize motion, and verify that there is not
excessive ambient light.
If condition persists, check the sensor application
site. Reapply sensor to another site if necessary.
Warm or rub the finger, or re-position the sensor.
If condition persists, check the sensor application
site. Reapply sensor to another site if necessary.
Charge the monitor. Connect the monitor to the
power supply and the power supply to an outlet.
If the monitor continues to show the low or critical
battery indicator after recharging, contact Nonin
Technical Service as the battery may need
replacement. The battery is integral to the device
and cannot be replaced by the operator.
Turn off the monitor and then turn on again.
Charge the monitor. Connect the monitor to the
power supply and the power supply to an outlet.
If the problem persists, contact Nonin Technical
Service.
Check patient status.
Verify the moisture trap and filter are properly
installed.
Replace the moisture trap and filter if necessary.
Check sample line connector and visually inspect
the sample line for signs of damage.
Check Nafion tubing connection.
If the problem persists, contact Nonin Technical
Service.
Turn the monitor off and then back on again to
remove the error code.
If the error persists, note the error code and
contact Nonin Technical Service.
Plug in the power supply and verify the charging
indicator is lit.
If the problem persists, contact Nonin Technical
Service.
Charge the monitor. Connect the monitor to the
power supply and the power supply to an outlet.
Contact Nonin Technical Service.
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