- Start the unit before the day gets too hot.
- To offest heat gain:
- Close all windows and blinds.
- Keep entrance doors closed.
- Use awnings.
- Avoid using heat-producing appliances.
- Make sure the outside coil is not blocked or damaged.
- Have your dealer check to make sure you have the proper voltage.
- Should your air conditioner still not work after the above checks have been made, contact a qualified service facility to perform more extensive testing.