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:Q Where can I find my MAC ID and MAC CRC codes?
:A The MAC ID and MAC CRC will show in the message center of the thermostat. The numbers are
also included on a card packed with the thermostat or on the back of the thermostat (visible when
removed from wallplate). Each thermostat has a unique MAC ID and MAC CRC.
:Q My thermostat is unable to register to the Total Connect Comfort website.
:A Verify that the thermostat is correctly enrolled on your homeWi-Fi network. The message center
will display “CONNECTION SUCCESSFUL” or “REGISTER AT TOTAL CONNECT.” You might also
see the Wi-Fi Signal strength icon. Verify that the Wi-Fi router has a good internet connection. On
your computer, verify that you can open the site at mytotalconnectcomfort.com. If you cannot open
the site, switch off the internet modem for a few seconds, then power it back on.
Frequently asked questions