In the event that the wireless network name or password is changed after a LiftMaster 821LM, 821LMB, 821LMC-S, MyQ-G0301, MyQ-G0401-ES is installed, new wireless information can be saved by clearing the hub's network memory and saving the new information.
To update the Wi-Fi information for the hub:
Clear the Wi-Fi settings on the hub by press and holding the
button on the Wi-Fi Hub for roughly 6 seconds until the blue light flashes.Power cycle the Wi-Fi Hub by disconnecting the power supply and reconnecting after 30 seconds.
Set up the new Wi-Fi information on the hub. For detailed instructions, see Connect the MyQ Smart Garage Hub to a Wi-Fi network.
Note: If these steps are unsuccessful, a factory reset of the Wi-Fi hub may be necessary. For more information on how to reset a Wi-Fi hub, see Factory reset a LiftMaster MyQ Smart Garage Hub.