ResMed Lumis Series User Manual page 19

Problem/possible cause
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.
Reassembling parts
Some parts of your device are designed to easily come off in order to avoid damage to the parts or
the device. You can easily reassemble them as described below.
To insert the humidifier seal:
1. Place the seal into the lid.
2. Press down along all edges of the seal until it is firmly in place.
To reassemble the humidifier lid:
Solution
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 fuly inserted into the device.
Note: the retention clip should be in the open position when
inserting the plug. For instructions refer to the Setup section.
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.
English 17