Error codes on Aranet4 display

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  aranet-techsupport

  Posted: 07.12.2021 17:57

  Aranet4 is a complicated electronic device with self-diagnostic possibilities. Sometimes error messages can appear on display. What to do if you met one?

  Before proceeding with the further recommended solution steps, please do:

  1. Take out batteries from the sensor and wait about 1 hour.
  2. Put batteries back observing the correct polarity (both batteries with "+" to the left side).
  3. Check Aranet4 firmware version and update if offered: https://forum.aranet.com/all-about-aranet4/how-can-i-update-aranet4-device-firmware/
  4. If the problem persists, find the error code visible on the screen in the table below and follow recommendations.

  Error code	Possible reason	Solution
  0ppm or 9999ppm	CO2 sensor misadjusted	Make manual CO2 sensor calibration: https://forum.aranet.com/all-about-aranet4/how-can-i-calibrate-my-aranet4/
  0x8001 - 0x8005	Problem with CO2 sensor element	Make manual CO2 sensor calibration: https://forum.aranet.com/all-about-aranet4/how-can-i-calibrate-my-aranet4/
  0x8106,  0x800E – 0xFFFE	Excessive CO2 concentration near the device  Excessive moisture near the device	1. Dry out sensor 2. Make manual CO2 sensor calibration: https://forum.aranet.com/all-about-aranet4/how-can-i-calibrate-my-aranet4/

    

   

   

   

   

   

   

   

  If the error message does not disappear, then CO2 sensor is damaged and the device needs repair. Please fill in RMA form: https://aranet.com/rma/

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