General Issues

Can’t log in

What could be the reason:

  • wrong email address

  • the password is incorrect

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

What’s the 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

What could be the reason:

  • you entered an incorrect email address

  • the letter got into the spam folder

  • email server issues

What’s the solution:

  • specify correct email address

  • check your spam folder

  • contact you mail server administrator

No connection to server

What could be the reason:

  • you do not have an internet connection

  • the server is rebooting

  • intermediate providers issues

What’s the 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

I can't see all metadata in Blynk.Apps

What could be the reason:

  • not all metadata can be viewed now due to it's not implemented yet

What’s the solution:

  • view full metadata list in Blynk.Console

  • wait for Blynk.Apps full metadata support and update Blynk.Apps regularly

Device is offline

What could be the reason:

  • connectivity issues

  • auth token was changed

  • Wi-Fi network SSID or password was changed

  • old version of library or even beta version is used

  • outdated ESP core version

What’s the 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)

  • connect to your device and check if it's auth token matches one in Blynk.Cloud

  • 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

"Not correct device" during add device

What could be the reason:

  • device board hardware is not supported by the Template

  • device Template ID mismatch

  • wrong Product Name

What’s the solution:

  • be sure to use the hardware that is mentioned in Template's Info page

  • be sure you paste correct BLYNK_TEMPLATE_ID to the sketch

  • be sure you paste correct BLYNK_DEVICE_NAME to the sketch

I can't erase data from a device

What could be the reason:

  • some time is required to erase all device data

  • there was network disconnection during the command send

What’s the solution:

  • wait for up to 5 minutes and re-check device's data

  • check your network connection, re-send the command

There are no devices in Blynk.Apps Automation

What could be the reason:

  • there are no templates you can use at the moment

  • there are no devices added and available to access

  • device template has no datastreams allowed for automations

What’s the solution:

  • create a template or ask your organization admin for it

  • add a device so you can access it from Devices tab

  • check for the template to have required datastreams are exposed to automations

I press button or move slider and nothing happens to the device

What could be the reason:

  • connectivity issues

  • device issues

What’s the solution:

  • check your internet connection for both: device and smartphone/PC (Blynk is a cloud platform, there's no offline support)

  • be sure that device is powered on and has no circuit or physical damage

I can't download device report

What could be the reason:

  • connectivity issues

  • no data for the selected device

  • you have no permissions to do that

What’s the solution:

  • check your internet connection

  • no report can be provided for download if there's no data for it

  • contact your organization administrator