General Issues
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
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
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
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
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outdated ESP core version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
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
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
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
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
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
