ResMed Lumis HFT User Manual page 18

Problem/possible cause
Displays message: High leak detected, check your water tub or tub seal
Humidifier may not be inserted properly.
Humidifier seal may not be inserted properly.
Displays message: High leak detected, connect your tubing
Air tubing may not be connected properly.
Displays message: Tubing blocked, check your tubing
Air tubing may be blocked.
Displays message: No SpO
Oximeter sensor is not attached properly.
Oximeter sensor may be faulty.
Displays message: System fault, refer to user guide, Error 004
Device may have been left in a hot environment.
Air filter may be blocked.
Air tubing may be blocked.
There may be water in the air tubing.
Displays message: System fault, refer to user guide, Error 022
Power cord may not be correctly inserted into the device.
All other error messages, for example, System fault, refer to user guide, Error 0XX
An unrecoverable error has occurred on the device.
data, check your oxi sensor attachment to module/finger
2
Solution
Make sure the humidifier is correctly inserted.
Open the humidifier and make sure that the seal is correctly
inserted.
Make sure the air tubing is firmly connected at both ends.
Remove tubing wrap and check the air tubing and replace it
if there are any holes, tears or cracks.
Check the air tubing and remove any blockages. Press the
dial to clear the message and then press Start/Stop to
restart the device.
Ensure that the oximeter sensor is attached properly to the
module and to your finger.
If the message appears repeatedly, the oximeter sensor
might be faulty. Replace the oximeter.
Allow to cool before re-use. Disconnect the power supply
and then reconnect it to restart the device.
Check the air filter and replace it if there are any blockages.
Disconnect the power supply and then reconnect it to restart
the device.
Check the air tubing and remove any blockages. Press the
dial to clear the message and then press Start/Stop to
restart the device.
Empty the water from the air tubing. Disconnect the power
supply and then reconnect it to restart the device.
Remove the power cord from the device and then re-insert it.
Ensure that the power cord is fully inserted into the device.
If the problem continues, contact your local ResMed dealer
or ResMed office. Do not open the device.
Contact your care provider. Do not open the device.
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