Problem/possible cause
There is a fault in your H5i heated
humidifier.
Displays error message:
Device has been left in a hot
environment.
Air filter is blocked.
Air tubing is blocked.
Humidifier setting is too high,
resulting in accumulation of water in
the air tubing.
Displays error message:
connector
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 error message:
Air tubing is blocked.
Displays error message:
There is excessive leak.
The H5i flip lid is not latched correctly. Close the flip lid ensuring that it clicks into place.
Solution
Discontinue using your H5i and contact your clinician/service
provider.
High temperature fault, refer to user manual
Allow to cool before re-use. Disconnect the power cord and
then reconnect it to restart the device.
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 humidifier setting down and empty the water from
the air tubing.
Check ResMed 30/90W Power Supply Unit and fully insert the
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.
Air tubing is not connected properly. Connect firmly at both
ends.
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