ResMed Stellar 100 and 150 Problem / possible cause Action LCD Blocked Tube, LCD High Pressure

Problem / possible cause	Action
LCD: Blocked Tube!
Air path is blocked.	1.	Check the air path for any blockages.
	2.	Remove the blockages.
	3.	If the alarm is not cleared, stop
		treatment.
	4.	Re-start treatment.
LCD: High Temperature [10, 11, 12, 23]!
The temperature inside the device is too	Ensure the ambient temperature is within
high. Treatment may lead to stop.	the specified operating range. If the
	problem persists within the specified
	operating conditions please return the
	device for servicing.
	Contact your clinician.
LCD: High Pressure!
Therapy pressure exceeds pre-set alarm	1.	Stop treatment.
level.	2.	Re-start treatment.
	If the problem persists contact your
	clinician.
LCD: Low Pressure!
The air tubing is not connected properly.	1.	Check the air circuit integrity and
		reconnect.
	2.	If the alarm doesn‘t get cleared, stop
		treatment.
	3.	Re-start treatment.
LCD: Circuit disconnected!
The air circuit is not connected properly.	1.	Check the air circuit integrity and
		reconnect.
	2.	If the alarm is not cleared, stop
		treatment.
	3.	Re-start treatment.
LCD: Low Minute Ventilation!
Minute ventilation level has dropped	Contact your clinician.
below the alarm setting level.
LCD: Low Respiratory Rate!, High Respiratory Rate!
The respiratory rate level has dropped	Contact your clinician.
below or has exceeded the alarm setting
level.
LCD: High Leak!
High mask leak for more than 20	•	Adjust the mask to minimise leak (see
seconds.	•	“Using mask-fit” on page 14).
		Check the air circuit integrity and
	•	reconnect.
		If the problem persists contact your
		clinician.

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Troubleshooting 23