When your fridge is offline, it will not unlock for your customers or when you scan the QR code with your digital key. It will also show as "Offline" on the Smart Fridge tab of your dashboard:
When your fridge is offline, follow these steps one by one. If one step does not restore connection, move on to the next step.
Power cycle your fridge by unplugging it and plugging it back in.
Check to make sure the 3 large antennas behind the fridge are screwed in tightly:
Unplug your fridge. Open up the control box and locate the router.
Release the router by unscrewing the screws above and below it:
Make sure each of the 5 connections on both sides of the router are secure. Unplug and replug the black power cord on the bottom right:
Plug the fridge back in. If it is still Offline, submit a ticket by clicking the link on the top right of the help center.