User Guide
English 3
Problem/Possible cause Solution
SmartStart/Stop is disabled
because Leak Alert is enabled.
Press Start/Stop to start therapy.
SmartStart/Stop is disabled
because Confirm Stop is
enabled.
Press Start/Stop to start therapy.
SmartStart/Stop is disabled. Talk to your clinician about enabling the SmartStart/Stop feature.
There is excessive leak. Adjust position of mask and headgear.
Connect the air tubing firmly at both ends.
Device does not stop when you remove your mask
SmartStart/Stop is disabled
because Leak Alert is enabled.
Press Start/Stop to stop therapy.
SmartStart/Stop is disabled
because Confirm Stop is
enabled.
A message appears on the screen. To stop therapy, select Yes and
press the Push Dial.
SmartStart/Stop is disabled. Talk to your clinician about enabling the SmartStart/Stop feature.
SmartStart/Stop is enabled but the device does not stop automatically when you remove your
mask
Incompatible mask system
being used.
Only use equipment recommended by ResMed.
Incorrect mask setting being
used.
Check the selected mask type in the Setup menu. Change it if
necessary.
The patient is using a nasal
pillows mask with a set
pressure less than 6 cm H
2
O.
Disable SmartStart/Stop.
The patient is using a paediatric
mask with a set pressure less
than 8 cm H
2
O.
Disable SmartStart/Stop.