ResMed VPAP ST Information Manual page 4

Problem/Possible cause
Air filter is blocked.
Air tubing is blocked.
Humidity level setting is too
high, resulting in accumulation
of water in the air tubing.
Displays message:
The DC plug is partially inserted
into the back of the device or
inserted too slowly.
A non-ResMed power supply
unit is connected to the device.
The power supply unit is being
covered by bedding.
Displays message:
Air tubing is blocked.
Displays message:
There is excessive leak.
Note: If Leak Alert is enabled,
an audible alert is activated and
a high leak message is
displayed.
The following message is displayed on the LCD after you try to update settings or copy data to
Card error, please remove SD card and contact service provider
the SD card:
SD card is not inserted correctly. Ensure that the SD card is inserted correctly.
4
Solution
Replace your air filter. Disconnect the power cord and then
reconnect it to restart the device.
Check your air tubing and remove any blockages. Disconnect the
power cord and then reconnect it to restart the device.
Turn the humidity level setting down and empty the water from
the air tubing.
Check ResMed 30/90W Power Supply Unit and fully insert the connector
Fully insert the DC plug.
Remove the power supply unit and replace with a ResMed power
supply unit.
Make sure that the power supply unit is free from bedding, clothes
or other objects that could cover it.
Tube blocked, please check your tube
Check your air tubing and remove any blockages. Disconnect the
power cord and then reconnect it to restart the device.
High leak, please check system setup and all connections
Adjust position of mask and headgear.
Connect the air tubing firmly at both ends.