In the chilly winter months, a furnace is essential for comfort and survival that’s why it’s essential to do furnace problems troubleshooting. We’d still be huddling around wood fires if it weren’t for it. Furnaces, however, require regular professional tune-ups and household maintenance to operate effectively and efficiently.
Furnaces, even with good maintenance, can break down and develop faults that prevent them from performing normally. If your furnace is acting up or won’t turn on, try these furnace troubleshooting tips before calling a professional.
How To Do Furnace Problems Troubleshooting
1. Examine The Furnace Filter
The air filter should be the first thing you inspect. Filters in furnaces become dirty over time. Dirt and dust can quickly clog the filter, obstructing airflow, lowering indoor air quality, and in some cases, preventing the heater from turning on.
Due to excessive dust and filth, it can potentially constitute a fire hazard and cause early breakdowns. Before working on the furnace, turn off the thermostat and turn off the furnace switch. Every 30 days, inspect your air filter (set calendar reminders).
Hold your filter up to a light source and see if it can pass light through easily. If it can’t, it needs to be cleaned or replaced. Keep in mind that the arrows on your new filter should point in the direction of the airflow. Make sure the access panel is correctly secured.
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2. Check The Temperature
Check the thermostat after ensuring that your furnace filter is clean and correctly placed.
Make sure the temperature is set to “heat” and at least 5 degrees higher than the current room temperature.
Replace the batteries in the thermostat if necessary. If you have an electromechanical thermostat, you may need to open it up and dust it lightly. Brush off dirt and dust with a delicate paintbrush or something similar, paying special attention to the metal coils and contact plates. If your brush is too big, consider using a soft piece of paper.
Make sure your thermostat isn’t receiving any misleading readings from sunlight, lamps, ovens, space heaters, or any other heat source by checking its placement. If the thermostat receives the incorrect input, it will produce the incorrect output.
3. Check The Electrical Panel And The Furnace Switch
The filter and thermostat are sometimes fine. Instead, power may be the issue.
Look for the furnace switch near the furnace. It’s possible that any mishap or any accident could make it turned off. Try turning it on again. If that doesn’t work, go to the power outlet.
Firstly, make sure that you have turned off the circuit breaker or fuse box. Secondly, make sure that the HVAC breaker is turned on if your breaker box is appropriately labeled. Look for the breaker switch that is in the opposite direction of the others, even if you don’t have any labeling. That is the breaker you should reconnect with the others.
Reset Your Breaker
To reset your breaker, turn it off completely before turning it back on again. A click should be heard. Moreover, look for a melted and discolored fuse to restore power to a fuse box. Remove the fuse and replace it with a fuse of the same size and type. Going to the store with a current fuse and replacing it with an identical one is the best way to get fuse replacements.
Check to determine if electricity has been restored to your furnace by turning on the furnace switch. Contact a professional if the electricity is still out or the breaker keeps tripping.
Reset The Power
Before attempting to reset the power, make sure your hands and feet are fully dry. Do not touch anything if there are any symptoms of electrical damage or wetness, or if you are uncomfortable. Instead, contact a trained electrician straight once.
4. Examine The Furnace Flame
The flame in your furnace should be a bright blue with a little yellowish tip. Therefore, the blue flame signifies that your gas furnace is safely and efficiently burning the fuel.
Contact a specialist right once if the flame is red, yellow, purple, green, or any other hue other than blue. Never try to change the color of your furnace’s flame on your own.
5. Check Gas Valve With Pilot Light
If the furnace flame is out when you go to inspect it, you’ll have to relight it. While you can relight the pilot on your own, use caution and follow the instructions in your owner’s manual.
Before attempting to relight the pilot, remember to switch off the gas for around 10-15 minutes.
Do not continue if you continue to smell gas. Moreover, if you suspect a leak, you should immediately evacuate your home and notify your gas company and the fire department from a safe distance.
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6. Secure The Front Panel Properly
To correctly secure the access panel, follow the manufacturer’s recommendations. If the panel is not fully pressed in, many furnaces will not run.
Lastly, ensure that all vents and registers are open and free of obstructions. Your furnace can be on, but your rooms aren’t getting enough heat or ventilation. Inspect all supply and return grilles around your home. All of them should be completely open and unhindered.
Make sure there are no rugs, furniture, or other obstructions in the way of airflow. Blocked vents and registers not only damage your comfort, but they can also cause duct leaks owing to high air pressure, as well as premature HVAC repairs and breakdowns. Therefore, it is not a good idea to close up vents and registers in disused rooms. Moreover, you won’t save any money and will actually cause your heating system more difficulties.
In conclusion, we can say that furnace problems troubleshooting is an easy process if one has some basic knowledge about it. However, you may also need to contact an HVAC expert.