LCD Apnoea, LCD Internal Battery Low | ResMed Stellar 100 specs

Problem / possible cause	Action

LCD: Non-Vented Mask!

•Connection of a non-vented mask.

•Mask vents may be blocked.

•ResMed Leak Valve is missing or vent is blocked.

•Ensure the mask has vents.

•Ensure the mask vents are not blocked.

•Ensure the ResMed Leak Valve is installed and that the vent is not blocked.

•Ensure oxygen (if in use) has only been connected at the rear of the device.

•If the problem persists contact your clinician.

The device detects an apnoea that has exceeded the pre-set alarm level.

•Breathe normally to disable the alarm.

•If the problem persists contact your clinician.

The internal battery capacity is below 30%.	Connect the device to mains power.
LCD: Low SpO2!
SpO2 has dropped below pre-set alarm	• Check the attachment of the sensor.
level.	• If the problem persists contact your
	clinician.

LCD: SpO2 finger sensor failure!

The finger sensor is not connected properly or delivers faulty values.

Check if the finger sensor is attached properly to the finger and connection to the pulse oximeter.

The pulse oximeter is disconnected.

Check if the pulse oximeter is connected properly to the device.

FiO2 has dropped below the pre-set alarm level.

•Perform FiO2 sensor calibration.

•If the problem persists contact your clinician.

FiO2 has exceeded the pre-set alarm	• Perform FiO2 sensor calibration.
level.	• If the problem persists contact your
	clinician.

LCD: Keypad Failure!

One of the keys was held down for more	Remove any blockages from the keypad.
than 10 seconds or got stuck.

The temperature inside the device is high.

Ensure the ambient temperature conditions are within the specified operating range.

The device is using the internal battery.

Check if the power cord is properly connected to the device if you want to run from mains power.

Press the Alarm mute button to cancel the alarm.