Updated: March 07, 2023
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by Gary Spenser
Tech Expert & Writer
772 resolved issues

I have a G4 but for some reason it is not working

There is no code to tell me what's wrong

Hello, thank you for using Howly.
Please describe your request with as many details as possible for me to get the whole picture of the situation.

Customer Replay

I replaced the column a couple months ago and it was okay. When I breathe into it it's not taking my breath. My numbers are not going up. They are staying low.

Please, could you specify what device you're referring to?

Customer Replay

Inogen G4


What troubleshooting have you done so far?

Customer Replay

I'm not sure what to do

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Okay, I'll help you with it

Customer Replay

There is no code

Let's first try resetting it. Here's how to do it:

  1. Press and hold the plus and minus buttons for 5 seconds. The screen will display “sieve reset”
  2. Release buttons once the message is displayed on the screen.
  3. Press the alert/bell button once and the screen will display "sieve reset success."
  4. Press the power button to turn on the Inogen G4, and use it normally.
Customer Replay

It seem ok but I won't know until I try it when I go out.

Okay. In case it doesn't work again, you can always come back to this chat and we'll continue troubleshooting it
For your convenience, here's the link - https://howly.com/chat
Is there anything else I can do for you today?

Customer Replay


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Thank you for chatting with us today!
We are available 24/7, you can refer your questions anytime. Have a nice one!

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