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Error Diagnosis - BlueSky Monitor FAQs

Error Diagnosis

  1. How do I know my BlueSky™ Air Quality Monitor is working fine?
  2. BlueSky Air Quality Monitors have only one PM sensor. How do I know when the PM sensor is not working any longer?
  3. My temperature measurements are reading higher than the actual ambient reading. Is this normal?
  4. My BlueSky Air Quality Monitor’s data has a warning to replace the PM sensor. What is this warning and what does it mean?
  5. Where do I order new BlueSky Air Quality Monitor sensors?
  6. Can I buy the replacement PM sensor from Sensirion instead of TSI?
  7. My PM readings have been 0.000 mg/m3 for a long time. Is there something wrong? What do I do?
  8. My PM readings are all reading very high. Is there something wrong? What do I do?
  9. My temperature and humidity values are incorrect. What is wrong? What do I do?
  10. My BlueSky Air Quality Monitor won’t turn on. What is wrong? What do I do?
  11. How can I return my BlueSky Air Quality Monitor?
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1. How do I know my BlueSky™ Air Quality Monitor is working fine?

  • There are 2 ways to verify that your BlueSky monitor is working:

    1. Look at the LED light on the bottom of the device.  When connected to Wi-Fi, it will flash once every 2 seconds.
    2. Go TSI Link™ Solutions at www.TSILink.com. Search for the serial number of the specific BlueSky Air Quality Monitor in question. Once the monitor is isolated, look for the unit status and the last posted data point.

2. BlueSky Air Quality Monitors have only one PM sensor. How do I know when the PM sensor is not working any longer?

  • The BlueSky monitor’s PM sensor status is reported to TSI Link Solutions. The user get an alert when the sensor is nearing the end of life.

3. My temperature measurements are reading higher than the actual ambient reading. Is this normal?

  • Your BlueSky Air Quality Monitor temperature sensor should be within 5°F of the ambient temperature. However, if the monitor is in direct sunlight, the temperature could be off by 10°F or more. If possible, move the monitor to a shaded area, so it is not in direct sunlight. During the night hours, your BlueSky monitor should read closer to other temperature sensors.

4. My BlueSky Air Quality Monitor’s data has a warning to replace the PM sensor. What is this warning and what does it mean?

  • It means that the particulate matter (PM) sensor is nearing the end of its life and should be replaced.  You can order a replacement sensor from from the TSI website (single sensor, pack of 5 sensors) and install it yourself.

5. Where do I order new BlueSky Air Quality Monitor sensors?

6. Can I buy the replacement PM sensor from Sensirion instead of TSI?

  • The BlueSky Air Quality Monitor PM sensor needs to be purchased from TSI so it can be serialized and calibrated. Additionally, TSI will also include the mounting board so the PM sensor can easily be installed back into the BlueSky monitor case. 

7. My PM readings have been 0.000 mg/m3 for a long time. Is there something wrong? What do I do?

8. My PM readings are all reading very high. Is there something wrong? What do I do?

9. My temperature and humidity values are incorrect. What is wrong? What do I do?

  • Your BlueSky Air Quality Monitor temperature sensor should be within 5°F of the ambient temperature. However, if the monitor is in direct sunlight, the temperature could be off by 10°F or more. If possible, move the monitor to a shaded area, so it is not in direct sunlight. During the night hours or when placed out of direct sunlight, your BlueSky monitor should read closer to other temperature sensors.

    The humidity sensor should be within 10% of the ambient relative humidity. However, if the monitor is in direct sunlight, it could cause the relative humidity to be off by more. If possible, move the monitor to a shaded area, so it is not in direct sunlight. 

    If you believe one or both of the sensors (temperature and/or humidity sensors) has failed, you will need to order a replacement BlueSky Air Quality Monitor from our BlueSky product page. We do not sell replacement temperature and RH sensors.

10. My BlueSkyTM air quality monitor won’t turn on. What is wrong? What do I do?

  • If possible, try plugging the monitor into a power supply you know is working. If the monitor turns on using a different power supply, the original power supply has failed. BlueSky monitor power supplies are made to be used outdoors, but may occasionally fail. A replacement power supply can be ordered on the TSI website (North America-style power supply, European-style power supply, UK-style power supply).

    BlueSky monitor power supplies come with a 90 day warranty. If you are within the warranty period, please contact TSI Customer Service (Toll Free: 1-800-680-1220) to get a replacement. If your device is outside the warranty period, you can order a replacement from our BlueSky product page. The failed device does not need to be returned and can disposed of in a proper recycling container for electronics.

11. How can I return my BlueSky Air Quality Monitor?

  • BlueSky monitors come with a 90 day warranty. If you are within the warranty period, please contact TSI Customer Service (Toll Free: 1-800-680-1220) to get a replacement. If your device is outside the warranty period, you can order a replacement from our BlueSky product page. The failed device does not need to be returned and can disposed of in a proper recycling container for electronics.