Avoiding the Wet Dog Look

Avoiding the Wet Dog Look

Three Things To Check In Case Your Warm Air Furnace Is Not Producing Heat

Darlene Stanley

In case you have a warm air furnace that is not producing heat, there are several things that may be causing the problem, but most of them will fall under these three categories:

Furnace Controls and Switches

Sometimes, you may think that the furnace is malfunctioning while, in the real sense, it is just an issue of wrong setting. For that reason, confirm these settings if the furnace is not producing any heat:

  • Check the position of the thermostat switch; confirm that it is not in the "OFF" position—it should be in the "HEAT" position.
  • Check the stack relay switch; this switch is mounted on the flue vent connector, and it will shut down the heater if it senses unsuccessful ignition.
  • Check the furnace electrical switch; this is what ignites the furnace, and it should be switched on.

Other switches and controls to check include the fan motor controls, the spill switch, and the flue spillage detector. Some furnaces will also switch off (as a safety measure) if the furnace door is open, so check on that too. The type of control or switch on your system depends on the type of fuel it is using to operate. Consult your user's manual for the operation of switches and controls on your heater or call a heating technician for a diagnosis.

Electrical Problems

Electrical problems are some of the most common causes of a heater not producing heat. Even fuel-powered heaters need electricity to operate. For example, they have electrical components (such as the main board) that need electricity to run; then there is also the thermostat, which uses electricity to send signals to the main board and get the heater to operate. Electricity may also be needed for the ignition of the fuel.

Here are some of the electrical malfunctions that may cause your heating system to stop producing heat:

  • Tripped circuit breakers due to electrical overload
  • Relay switch malfunction—for example, if it is in contact with the control cover
  • Malfunctioning of the furnace blower motor

Fuel Problems

Lastly, fuel problems may also prevent your furnace from operating normally. For example, it might be that the fuel tank is empty, the safety valve is turned the wrong way, there is a leakage in the fuel line, or the fuel filter is clogged (meaning less fuel is reaching the combustion chamber).

Consult a furnace technician if you can't identify the problem right away. It might be that it is not a simple issue of a setting or control, and the technician will help with the diagnosis. Check out websites like http://erickson-plumbingqc.com/ for more information.


2018© Avoiding the Wet Dog Look
About Me
Avoiding the Wet Dog Look

During the summer months, I enjoy taking care of my outdoor plants and flowers. Because I live in the southern United States, my vegetation needs water almost daily. Thankfully, I have a convenient outdoor faucet connected to my home. However, I recently endured some problems with this source of water. When I turned on the faucet, I was greeted with a forceful spray of water going in all directions. Before I could gather my senses and turn the water off, I resembled my dog after she jumps into a pool of water. To avoid the wet dog look in the future, I plan to hire a professional plumber to take care of my faulty faucet. On this blog, you will learn about the benefits of securing a reputable plumber to repair your problematic faucets.