Reset PCR2 Device Profile
If the left LED is blinking fast the device has been locked due to an invalid device profile. This happens if you update from a V3.x to a V4.x firmware or if you downgrade the firmware to an older version.
Please follow this procedure to re-install a device profile.
1. Connect via USB
Connect your device via an USB-Cable. Then use a terminal emulation programm like RealTerm to send commands to the device. See the CLI documentation for more details on how to use the command line interface.
2. Reset Profile
Device profile can be reset by sending the following CLI commands.
dp reset save
3. Set device type
Set the device type to match what is written on the type plate
4. Set LoRaWAN region
Starting with V4.0 the firmware supports more than one LoRaWAN® region. (Universal Firmware)
Verify the device type by sending the following command
6. Default Settings
Load default settings for the device type set in Step 3.
set defaults save