3B Medical Luna II CPAP / Auto CPAP error codes and alerts

Power Failure!!!

What it means: Power was lost while the machine was blowing air; it beeps after about 6 seconds.

What to do: Check the outlet, power cord and adapter plug in the DC inlet.

Device Fault!!!

What it means: No airflow is coming out of the machine.

What to do: Unplug for 20 seconds and restart. If it returns, stop using the machine and call your supplier.

Leak!!

What it means: Leak has stayed excessive for about 40 seconds during therapy.

What to do: Refit the mask, check both tube connections and look for a worn cushion. Press Mute to silence; the alarm sounds again after two minutes if the leak is still there.

Low Input Voltage!!

What it means: The adapter is supplying less than 22 V.

What to do: Use the original Luna power adapter in a working outlet; call your supplier if it persists.

Humidifier Failure!!

What it means: The humidifier is not working.

What to do: Let it cool, reseat the chamber, and call your supplier if it repeats.

Please Change Filter!

What it means: The filter reminder has come due.

What to do: Replace or clean the filter.

SD Card Full!

What it means: The SD card is full.

What to do: Ask your supplier for a new card; remove the old one only with airflow off.

Reinsert SD card!

What it means: The SD card is not working or not seated.

What to do: With airflow off, reseat the card until the correct-insertion symbol shows.