ResMed 100 Problem / possible cause Action, LCD Over Pressure, LCD Blocked Tube, LCD Low Pressure

Problem / possible cause	Action
Component failure (system failure 8, 25).	1.	Power-off the device.
	2.	Power-on the device again.

LCD: Over Pressure!

The device generates a pressure that is greater than 59 cm H2O. Treatment will be stopped.

1.Power-off the device.

2.Check that the air tubing is connected properly.

3.Power-on the device again.

4.Start Learn Circuit function.

Note: If the alarm activates repeatedly internal components may be defective. Discontinue use and return the device for servicing.

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.

Troubleshooting 23