ResMed 2011-09 Problem / possible cause Action LCD Internal Battery Empty, LCD System Failure

Problem / possible cause Action

LCD: Internal Battery Empty!

The remaining battery charge is below 15%.The device can be powered by the internal battery for maximum 2 minutes.

Connect the device to mains power. Note: In case of a total power failure, the therapy settings will be stored and therapy will resume when the device is powered again.

LCD: System Failure!

Component failure.

The device stops delivering air pressure (system failure 6, 7, 9, 22, 38). Therapy cannot be started (system failure 21).

1.Power-off the device.

2.Power-on the device again.

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 60 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, 13]!

The temperature inside the device is too high. Treatment may lead to stop.

Ensure the ambient temperature is within 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 level.

1.Stop treatment.

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.

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