A/c not cooling no air flow

If the air conditioner is not cooling change the filter. Check the thermostat battery. Is the power on. Is the furnace blowing but no a/c. Sometimes the a/c is ok but your furnace is not blowing the air. Check power to furnace. Is there water in the pan. Get it out. Issues we can fix fast The furnace tries to come on but it won't light The furnace flames come on but the blower doesn't The blower runs constantly but no heat The flames come on but go right out The thermostat clicks on but the furnace never starts The thermostat clicks on but the air conditioner won't start The fan comes on but its not cooling The fan on a/c isn't spinning The air conditioner is buzzing and won't come on The a/c makes a loud noise but doesn't start The ac has a humming but not coming on The air conditioner is running but not cooling