Electrical panel check your main electrical panel to see if there s a circuit breaker tripped older homes use a fuse box.
Ac unit in attic not working.
The indoor unit s switch this switch is often located in the attic crawl space or a closet.
More often than not the problem comes from reduced air flow.
A licensed and experienced hvac professional can inspect all the ductwork and registers of your air conditioning system on a regular basis ensuring the entire system is in proper working order.
If this switch is turned off the inside ac unit may freeze causing the entire ac system to shut down.
To reset the switch you ll need to climb up into.
Only two things cause an ac air handler to freeze up.
There are 2 places to check.
An unconditioned attic is the worst place you can put the ducts for you air conditioner.
Again regular ac maintenance is one of the best ways to prevent problems like air conditioner vents not blowing in one room of your house.
1 reduced air flow because of dirty filters coils or poorly working fans and 2 low refrigerant level which a pro must check and if necessary recharge.
Typical items that clog condensation lines are algae muck and trash like insulation from the attic.
Get those air conditioning ducts out of the attic.
Do not bypass the safety switch or you could have a huge water mess in your home.
Here s a report that shows why.
If your air handler is in an attic it should have a secondary pan to catch the water in case the primary condensation pan or condensation drain line gets clogged.
If your ac unit still does not work you should check to see if the breaker was tripped.
If the circuit breaker has tripped simply turn it off and then back on.
If these items do not solve your problem call an hvac service professional to help.
It can shut off power to the indoor ac blower.
Notice the drain pain which you will typically find in your attic.
This switch could be the problem.