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Flow Sensor Test Error Code: 00000040

Zero Flow

  1. Power Off: Press the power button off.

  2. Power On: Wait 5 seconds and press the power button on.
  3. If this error occurred during a treatment please see step 4. If this error occurred during an o2 maintenance cycle please navigate back to the wrench logo, and press the o2 maintenance button.
      • Sometimes this error occurs numerous times; please be patient and keep attempting o2 maintenance.
  4. Resume Treatment: If the treatment was interrupted, please adjust the treatment time by pressing the "-" button on "select cycles" to shorten the time. Every time you press the "-" button, an entire cycle (9 minutes of vapor and 5 minutes of oxygen: 14 minutes total) is removed from the treatment time. 


If the problem persists:

  • Please refrain from using the device and contact Vaporox Support for assistance. Support is available from 8AM-4PM MST M-F.
    • Phone: 303-223-0033
    • Text: 303-223-0033
    • Email:

We are committed to providing you with reliable support to ensure your treatment proceeds smoothly.