(1) Check whether the voucher has expired.
(2) Go to Ruijie cloud and enable the User Offline Detection.
(3) Check the EG version, this feature only supported on P56 or higher version.
(4) Try to disconnect and reconnect to WiFi and check whether the internet can be accessed can access or not.
(5) If the problem is still unsolvable, you may start a Live Chat with our Support Engineer for assistance: Ruijie Support
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