What to do if my heating or cooling stops working


1. Power switches and circuit breakers in the “on” position.
2. Check for blown fuses.
3. Doors and panels properly secured to equipment.
4. Proper thermostat settings.
5. Natural/propane gas supply turned “on”.
6. Filters changed monthly.
7. In heating mode, check manual reset switches (see owner’s manual).
8. In heating mode, check L.E.D. fault code (see door panel for code numbers).
9. Read the owners manuals.