4
Problem/possible cause Solution
Air filter is blocked.
Replace your air filter. Disconnect the power cord and then
reconnect it to restart the device.
Air tubing is blocked. Check your air tubing and remove any blockages. Disconnect
the power cord and then reconnect it to restart the device.
Humidifier setting is too high,
resulting in accumulation of water in
the air tubing.
Turn the humidifier setting down and empty the water from
the air tubing.
Displays error message: Check ResMed Power Supply Unit and fully insert the connector
The DC plug is partially inserted into
the back of the device or inserted too
slowly.
Fully insert the DC plug.
A non-ResMed power supply unit is
connected to the device.
Remove the power supply unit and replace with a ResMed
power supply unit.
The power supply unit is being
covered by bedding.
Make sure that the power supply unit is free from bedding,
clothes or other objects that could cover it.
Displays error message: Tube blocked, please check your tube
Air tubing is blocked. Check your air tubing and remove any blockages. Disconnect
the power cord and then reconnect it to restart the device.
Displays error message: High leak, please check system setup and all connections
There is excessive leak. Adjust position of mask and headgear.
Air tubing is not connected properly. Connect firmly at both
ends.
The following message is displayed on the LCD after you try to update settings or copy data to
the SD card: Card error, please remove SD card and contact service provider
SD card is not inserted correctly.
Ensure that the SD card is inserted correctly.
You may have removed the SD card
before settings were copied to the
VPAP device.
Reinsert the SD card and wait for the Home screen or the
“
Settings updated successfully, press any key” message
to appear on the LCD.
Note: This message only appears once. If you re-insert the
SD card after you have updated your settings, the message
will not be re-displayed.