Troubleshooting

I Can’t Sign Up or Log In

Check that correct hardware and port are used when uploading the sketch

Potential Reasons:

  • Wrong email address

  • The password is incorrect

  • The user with the specified email address is not registered in the system

Check that your device connects to 2.4 WiFi network

Solution:

  • Specify correct email address

  • Be sure to type the correct password

  • Reset password

  • Check the specified email inbox to be sure it's registered in the system

  • Register with a different email address

No Email Received

Potential Reasons:

  • You entered an incorrect email address

  • The email got into the SPAM folder

  • Email server issues

Solution:

  • Specify correct email address

  • Check your SPAM folder

  • Contact you mail server administrator

No Connection to Cloud Server

Potential Reasons:

  • You do not have an Internet connection

  • The server is rebooting

  • Intermediate providers issues

Solution:

  • Check your Internet connection

  • You should wait for a while to reboot the server

  • Run traceroute command in your OS terminal, contact your ISP and provide them with this data

Device is Offline

Potential Reasons:

  • Connectivity issues

  • Incorrect SSID or password in the sketch code

  • SSID or password are not specified in the sketch code

  • Old version of library or even beta version is used

  • Outdated ESP core version

Solution:

  • Check if the device is powered on

  • Check your Internet connection between the device and Blynk.Cloud (mind Wi-Fi signal strength and distance)

  • Be sure to use the latest version of library, otherwise re-flash and launch Device Reprovision process

  • Check your ESP core version is up to date, otherwise re-flash and launch Device Reprovision process

Checked all of the above and are still unsure what’s going wrong? Contact our technical support team for prompt help (available with PRO plan).

Last updated

Revision created

GITBOOK-1318: change request with no subject merged in GitBook