 If you experience any problems with your products or system and are looking for either furnace troubleshooting or air conditioner troubleshooting tips, the list below may have your solution. If you still have problems, though, you can always call us, and we'll answer any questions we can over the phone before sending a technician out to your home.
Air Conditioning Troubleshooting Guide
- Check to make sure your thermostat is set in the "cool" position.
- Ensure that your outdoor air conditioning (condensing unit) is running:
- Check the circuit breakers in the circuit breaker box (or electrical panel), most likely mounted to an outside wall in the back of the house. Are they in the "ON" position?
- Check the outdoor unit "disconnect switch" to make sure it is in the "ON" position. The disconnect switch is located near the outdoor unit. (Typically a grey 8" wide x 6" high x 4" deep box mounted to the wall).
- Ensure that the blower motor in your air conditioner is running. (If the thermostat is in the "cool" position, the air conditioner blower should be running.)
- If not, check to make sure the on/off switch on the air conditioner is in the "ON" position.
- Sometimes there is a switch at the top of your basement steps.
- Be sure that you have changed your filter in the air conditioner recently.
- An extremely blocked filter can cause your outdoor air conditioner unit to shut down due to lack of proper airflow.
- Your filter should be changed every month.
- Check all return air grilles to make sure they are not blocked by furniture.
- Check all supply air registers to make sure they are open and blowing air. (The return air grilles are normally located on your walls and are wide and flat).
Gas Furnace Troubleshooting Guide
- Check to make sure that your thermostat is set in the "heat" position
- Make sure that the temperature setting on the thermostat is set above (or higher than) the indoor temperature showing on the thermostat.
- Ensure that there is power to the furnace:
- Try turning the fan to "ON" using the fan switch on the thermostat to test for power to furnace.
- Check the circuit breakers at the electrical panel to make sure they are in the "ON" position.
- Check the SSU switch (it looks like a light switch on a gray box located at the furnace) to be sure it is in the "ON" position
- Replace the furnace filter if needed.
- All 1-inch thick furnace filters should be replaced monthly.
- Purolator 2-inch thick, and other high-capacity pleated filters can most likely be changed every other month or just 6 times per year.
- If the system is running but you have not changed your filter, the filter may need to be replaced.
- Check all return air grilles to make sure they are not blocked by furniture.
- Check all supply air registers to make sure they are open and blowing air. (The return air grilles are normally located on your walls and are wide and flat).
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