ResMed Lumis Series User Manual page 17

Problem/possible cause
Humidifier may be damaged or cracked.
My therapy data has not been sent to my care provider
Power may not be connected.
Wireless coverage may be poor.
The No wireless connection icon
top right of the screen. no wireless network available.
Device may be in Airplane Mode.
Data transfer is not enabled for your device.
My screen and buttons are flashing but there is no alarm sound or message
Software upgrade is in progress.
Displays message: Read only card, please remove, unlock and re-insert SD card
SD card switch may be in the lock (read-only) position.
Alarms troubleshooting
Problem/possible cause
Display disappears and an alarm is activated
Power failure.
Power cord is disconnected or mains power has been
turned off during therapy.
Displays message: High leak detected, check your water tub, tub seal or side cover
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.
Solution
Contact your care provider for a replacement.
Connect the power supply and make sure the plug is fully
inserted.
Note: the retention clip should be in the open position when
inserting the plug. For instructions refer to the Setup section.
Make sure that the device is placed where there is coverage
(ie, on your bedside table, not in a drawer or on the floor).
The Wireless signal strength icon
coverage when all bars are displayed, and poor coverage
when fewer bars are displayed.
Make sure that the device is placed where there is coverage
is displayed on the
(ie, on your bedside table, not in a drawer or on the floor).
If instructed to do so, send the SD card to your care provider.
The SD card also contains your therapy data.
Turn off Airplane Mode, see Travelling by plane.
Talk to your care provider about your settings.
Software upgrade takes approximately 10 minutes to
complete.
Move the switch on the SD Card from the lock position
to the unlock position
Solution
Remove your mask until power is restored.
Ensure the power cord is connected and the mains power
switch (if available) is on.
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.
indicates good
and then re-insert it.
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