CARRIER INFINITY WEATHERMAKER WHERE IS THE RESTART SWITCH

Carrier Infinity systems, do not have a manual reset switch. It will have an automatic reset depending on the failure.
I would first, turn off the breaker to the indoor and outdoor units. Wait about 5 mins and turn the breakers back on. Doing this will reset the Control Board in the system. The system itself, is probably locked out.
This should get the system to come back on, However, you may have the problem come back and lock out the system again.
If this happens again, i would advise calling a Carrier dealer with Infinity systems to test it.

Hope this helps
Brian