If there is some strange behaviour in the backend communication, for example communication is erratic.
Step-by-step guide
- Connect to the charger with a laptop and login to the master controller's Operator page: Connect laptop to controller
- Take note of the Portnumber (Binary OCPP) port
- Change the port to something else
- Click Save
- Change the port back to the original value from step 3.
- Click Save and Reboot
- Now the message queue is empty.
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