Troubleshooting - Nonin LifeSense LS1-9R Operator's Manual

Troubleshooting

Problem
Continuous
beeping sound
Low EtCO alarm
2
even though the
patient's EtCO is
2
suspected to be
normal.
WARM UP with
alarms
Possible Cause
The alarm beeps continuously.
The monitor is not functioning. This
indicates that a problem has
occurred, possibly due to
interference or loss of power.
All alarms for low EtCO
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.
All abnormal readings have to be
checked with respect to the
patient's condition. Should the
readings be out of range one may
also suspect an equipment fault.
Turn off the monitor and then turn on
again.
Recharge the monitor with the
power supply.
If the problem persists, contact
Nonin Technical Service.
require the Check patient status.
2
Check the moisture trap and filter.
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.
Verify the filter is in place. Replace
as needed
Perform calibration and gas
verification to assure performance of
the device.
Possible Solution
33