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29Alarms
• check that the air tube and sensor tube are connected properly.
Will stop when:
• the mask leak has been rectified.
Note: The High Leak alarm can be turned off in the Leak Alert option in the
Settings menu.
Insufficient Pressure Support Alarm
Triggered by:
• air pressure at the mask has failed to reach an expected level for 3 breaths
• the Air Circuit Learn function (page 22) has not been run after adding a new
component (eg, new mask, humidifier) to the system.
If an insufficient pressure support alarm sounds:
• check that the pressure sensor tubing is not kinked
• check that the pressure sensor tubing is properly connected
• run LEARN CIRCUIT.
Will stop when:
• the pressure sensor tubing is unobstructed and properly connected to the
flow generator and mask
• treatment is stopped (Start/Stop key or SmartStop)
• the VPAP Adapt SV is turned off.
Flow Blocked Alarm
Triggered by:
• blockage in air circuit.
If a flow blocked alarm sounds:
1. The treatment will stop.
2. Turn power off.
3. Check whether there is a blockage in the air circuit.
4. Remove blockage.
5. Turn power back on.
6. If the flow blocked alarm activates repeatedly, discontinue use and return to
ResMed for servicing. If the alarm does not recur, then continue to use as
normal.
Will stop when:
• blockage is removed.