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You can find the HEX key in the internal settings of your access point or router.

If the access point or router has WEP Encryption ensure that the HEX key is being entered rather than the password.Check to see if the router has the latest firmware.Check that the sensor is in range of the router.Check that your network has an internet connection.If it is switched on, only known devices will be able to connect to your router. Ensure MAC filtering is not switched on in the access point or router.Check that 802.11b is enabled on the access point or router.Check that the password being entered is correct.You can try any or all of these steps to help with this problem: If you have tried all of the above but the sensor is still not recognised by your PC please contact us on 01425 651111 or email at the device work with a VPN (Virtual Private Network)? To change the COM port go to Control Panel, Hardware and Sound, Device Manager, Ports, STMicroelectronics Virtual COM port, Port Settings, Advanced and then select a COM port from the drop-down menu that is not in use.

If the device is listed but not working please reinstall the software.Check that it is not disabled and showing as working normally. Check device appears in Device Manager You should see a COM Port labelled STMicroelectronics.If the above does not resolve the problem please try these next steps: Factory reset the sensor by holding the button in for 20 seconds (Unit shows FArS).Do a soft reset of the sensor by holding the button for 10 seconds (Unit flashes 'LOW' battery symbol or shows 'rSt').If the above does not resolve the problem please try the steps below: Restart the PC and reopen the WiFi Sensor Software.There may be a difference between the USB ports on your PC, try another USB port.Sometimes USB cables can fail if possible try another USB cable.Locate a Distributor Locate a Distributor.Distribution Opportunities Distribution Opportunities.Frequently Asked Questions Frequently Asked Questions.Hospitality & Leisure Hospitality & Leisure.Manufacturing & Distribution Manufacturing & Distribution.Facilities Management Facilities Management.Life Sciences & Healthcare Life Sciences & Healthcare.

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