This article will cover the various iMist3 communication and hardware problems and troubleshooting steps, as well as the blinking LED patterns for further troubleshooting. If you see one of these three icons in the app indicating the iMist3 is not connected to the cell network, follow these steps to troubleshoot the problem.
Troubleshooting:
iMist3 Troubleshooting is done using the LED on the module to diagnose various problems with the module. If the module is up to date on the latest firmware: Version 144 (4/26), it will have access to the following blinking light patterns for troubleshooting.
Additionally, when an iMist3 module disconnects for any reason, it uses the remaining power in the capacitor to write a specific time to C20 within the cycles menu. This can additionally be used to diagnose the issue, however it is less reliable as it is not always written. These will be covered below with the blinking LED patterns.
Dead Module:
Remove power from the controller. Wait a full minute or until the green LED on the module goes dark. Restore power and observe the LED. If the LED is dark, the iMist3 module must be replaced. Please call MistAway Tech Support to organize replacement.

Searching for Tower:
If the LED is still blinking rapidly ten seconds after you restore power, it is attempting to connect to a cell tower.

Dead Capacitor:
If the LED shows a pattern of a few rapid flashes followed by a 4-5 sec pause, a capacitor in the module has failed and the iMist3 must be replaced. Please call MistAway Tech Support to organize replacement.

Failed Modem:
If the LED shows a completely solid light and does not do any blinking pattern whatsoever, the modem in the module has failed and the iMist3 must be replaced. Please call MistAway Tech Support to organize replacement.

Communication Problems:
If after the module is rapidly blinking, it changes to a series of triple blinks with a brief pause between the sets, the module has failed to connect to the tower. This could be due to a number of things, mainly bad connectivity from the antenna, denial of registration by the tower operator, or a tower connection failure by the cellular provider. In this case, nothing is mechanically wrong with the iMist3 module, and it should be left plugged in as it continues to search for a signal.

SIM Disconnected:
If the LED blinks rapidly for a few seconds and then displays a repeating pattern of two blinks followed by a short pause, you can may be able to restore connectivity by repositioning the SIM card inside the iMist3. See the related article for instructions on this process.

Connected to Tower:
Allow about three minutes for the module to connect. If the LED pattern shifts from blinking rapidly to blinking slowly, the iMist3 module has connected to the cell network and will show to be online in the app. You may need to refresh the app screen by pulling down.

If the LED continues to blink rapidly, it has not reconnected to the cell network. Please call MistAway Tech Support for further instructions.
