Problem
The indoor air handler does not start even though the thermostat is set to cool.
Possible Causes
Tripped breaker
Thermostat malfunction
Blower motor failure
Electrical issue
How To Fix It
Check the breaker panel
Confirm thermostat settings
Inspect the air filter for blockage
Restart the system after checking power
When To Call A Professional
If the air handler still does not start, an HVAC technician should inspect the blower motor and wiring.