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Why Does My CPAP Machine Keep Turning Off?

Published in CPAP Troubleshooting 3 mins read

Your CPAP machine may be turning off due to accidental button presses, issues with the power supply, or problems with the electrical connection.

Experiencing your CPAP machine unexpectedly stopping during the night can disrupt your sleep therapy and leave you wondering what went wrong. Based on common reasons, the issue often relates to how the machine is being interacted with or its power source.

Common Reasons Your CPAP Stops

Several factors can cause your CPAP device to shut down while you are using it. Identifying the specific cause is key to ensuring uninterrupted therapy.

Accidental Button Press

One frequent cause is accidentally pressing the Start/Stop button. While you might intend to use this button to simply light up the LCD screen in the dark, pressing it will stop your therapy altogether. It's important to be mindful of which buttons you are pressing, especially during the night.

Power Supply Issues

The machine requires a consistent and stable power supply to operate. Problems with the power source can lead to unexpected shutdowns.

  • Blocked Power Supply Unit: Ensure that no blankets or other objects are covering the power supply unit. Overheating or obstruction of the power brick can potentially cause the unit or the machine to shut down as a safety measure or due to malfunction.
  • Electrical Connection Problems: The connection to the wall outlet might be inconsistent.

Troubleshooting Steps

If your machine is turning off unexpectedly, here are some steps you can take based on common recommendations:

  • Restart the Machine: Try unplugging the machine from the power outlet, waiting a few seconds, and then plugging it back in again. This can sometimes reset the device.
  • Check the Power Connection: Ensure the power cord is securely plugged into the machine and the wall outlet.
  • Test Different Power Sources: Try using a different power point in your home. If you are using a power board or an extension cord, try plugging the machine directly into a wall outlet or using a different power board/extension cord to rule out issues with those accessories.

By checking for accidental button presses and ensuring your power supply and connections are secure and unobstructed, you can often resolve the issue of your CPAP machine turning off unexpectedly.

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