Troubleshooting robertshaw 9520 Thermostat Problems

By / March 10, 2023

The Robertshaw 9520 thermostat is manufactured by Honeywell.
Robertshaw thermostats have a number of features, but many users reported problems with the Robertshaw 9520.
The most common problems users reported are:
* Thermostat doesn’t work * Robertshaw thermostat not turning on * Robertshaw thermostat battery dead * Thermostat freezes * Thermostat turns off by itself

  • The robertshaw 9520 thermostat is a high-end smart home system, but some users reported that it’s full of bugs and issues.
  • The Robertshaw 9520 thermostat has controllable heating and cooling systems, but it’s also prone to issues.
  • Some users reported that they can control their climate system, but it keeps turning off.

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    Reset the Z-Wave network

    1. Reset the network by turning off the thermostat.
    2. Then, press the On/Off button for 3 seconds to turn it off completely.
      Then, press the On/Off button for 3 seconds to turn it off completely.
    3. Press the On/Off button again to reset it and turn on the Z-Wave network.

    Change the Z-Wave network password

    1. Press the Menu button on the robertshaw 9520.
    2. Select the settings option.
      Select the settings option.
    3. Press the Z-Wave button.
    4. Press the Change button.
    5. Input a new Z-Wave network password.
    6. Press the Back button.
      Press the Back button.
    7. Press the Select button.
    8. Press the Select button.
    9. Press the Back button.
      Press the Back button.
    10. Press the Select button.
    11. Press the Back button.
      Press the Back button.
    12. Press the Select button.
    13. Press the Back button.
      Press the Back button.
    14. Press the Select button.
    15. Press the Back button.
      Press the Back button.
    16. Press the Select button.
    17. Press the Back button.
      Press the Back button.
    18. Press the Select button.
    19. Press the Back button.
      Press the Back button.
    20. Press the Select button.
    21. Press the Back button.
      Press the Back button.
    22. Press the Select button.
    23. Press the Back button.
      Press the Back button.
    24. Press the Select button.

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  • 2. Run a scan to find and fix errors
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    • Install the latest firmware update

    1. Find the †̃Update’ button on the top right of the screen.
    2. Select the †̃Download new firmware’ option.
    3. Follow the instructions on the screen to install the update.
      Follow the instructions on the screen to install the update.

    Install the Robertshaw 9520 Thermostat software

    1. Go to Robertshaw Thermostat Support Page and click the link for downloading Robertshaw 9520 Thermostat software.
    2. Once the software has been downloaded, double click on the .exe file to run the installation.
      Once the software has been downloaded, double click on the .exe file to run the installation.
    3. After the installation, make sure that you restart your computer.
    4. Go to Device Manager
    5. Expand the Human Interface Devices
    6. Double-click on the HID compliant device
      Double-click on the HID compliant device
    7. Click the Update driver option
    8. Select Search automatically for drivers on your computer and click Next.

    How do I reset my 9520 thermostat to the factory defaults?

    1. Press the Home button while on the 9520 screen.
    2. Select Settings.
      Select Settings.
    3. Scroll down to System Status.
    4. Select Factory Defaults to reset your thermostat to factory settings.
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    How do I reset the 9520 thermostat manually?

    1. To reset the 9520 thermostat to factory settings, disconnect the heating & cooling system from the thermostat.
    2. Shut down the thermostat by turning off the heating and cooling units.
    3. Press and release the reset button located inside the thermostat.
      Press and release the reset button located inside the thermostat.
    4. Wait for the heating and cooling systems to cool down.
    5. Reconnect the heating & cooling systems to the 9520 thermostat.
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