
- Fill the Fuel Tank. If you let your oil tank get too low, the furnace might shut off and stop producing heat. ...
- Hit the Reset Button. Once you’ve refilled your oil tank, your next step is to hit the reset button. The furnace should start working again on its own.
- Turn off the Furnace. If hitting the reset button doesn’t work, you have to bleed the furnace to get it working again. Start by turning off the furnace.
- Collect Your Tools. You’ll need an adjustable wrench or an Allen key to fit the bleeder valve. ...
- Find the Bleeder Valve. To find the bleeder valve, you’ll need to find the fuel pump. The fuel pump will have tubes going to it.
- Attach Nylon Tubing. Slide the tubing into the bleeder valve and position it so its other end rests inside your container.
- Turn on the Furnace and Unscrew the Valve. Next, turn on the furnace. ...
- Tighten the Valve. When the oil comes out in a steady stream, tighten the valve. At this point, the burner should turn on.
How to reset a furnace using the furnace reset button?
What Is The Procedure For Manually Resetting a Furnace?
- First, cut off the furnace’s power source by turning off the circuit breaker in the circuit box.
- To reset the furnace, look for the reset button on the furnace and press it.
- Press the button if it has popped up.
- Turn the power on and replace the cover on the blower compartment.
What to do when your furnace runs out of oil?
Restarting Your Oil Burner When You’ve Run Out of Fuel
- Fill the Fuel Tank. If you let your oil tank get too low or run out of heating oil altogther, your furnace will shut off and stop producing ...
- Hit the Reset Button. Once the tank has been refilled, your next step is to hit the reset button. ...
- Turn off the Furnace. ...
- Collect Your Tools. ...
- Find the Bleeder Valve. ...
- Attach Nylon Tubing. ...
Why does my furnace keep Tripping the reset button?
Why does my gas furnace keep tripping the reset button? If a furnace isn’t receiving enough airflow, it may overheat and trigger the reset button to trip. Make sure to clean or replace the air filters and keep the air vents open enough for proper airflow.
How to troubleshoot and reset a furnace?
- Some really old furnaces won’t have a switch. ...
- The light switch will typically have a faceplate and an electrical box to house the wires, just like a regular outlet.
- If you flip the switch and your furnace kicks on, you were probably trying to troubleshoot the furnace when it was off!

How do I turn my oil furnace back on?
1:213:45How to Restart an Oil Furnace - YouTubeYouTubeStart of suggested clipEnd of suggested clipAbout a quarter turn this is a through this my particular furnace is 3/8. Size nut. And about aMoreAbout a quarter turn this is a through this my particular furnace is 3/8. Size nut. And about a quarter turn and it diverts the fuel to come out of this nozzle.
How do you restart an oil furnace after a power outage?
To restart an oil furnace after a power outage or other temporary interruption, often all you have to do is press the red reset button or oil burner reset switch, which is typically located on the control panel.
How do you restart a furnace?
How Do You Reset a Furnace? The Ultimate GuideFind the switch mounted on or near the furnace and turn the power off. ... Wait about 10 seconds.Turn the switch or breaker back on and check the furnace to see that it has power again.
How do you prime and reset an oil furnace?
1:524:58How To Prime and Restart an Oil Heater After Oil Is Empty - YouTubeYouTubeStart of suggested clipEnd of suggested clipAt all or any type of air that's when you close the valve again. And then it should fire up theMoreAt all or any type of air that's when you close the valve again. And then it should fire up the system.
How do I reset my furnace after a power outage?
Reset button—The furnace can also trip its reset button when there is a power outage. It's usually a red or yellow button located inside the blower compartment near the motor. When it's tripped it pops up. Push and hold the button for a few seconds.
How do you manually reset a furnace?
How to Reset an Electric FurnaceFirst, turn off the power supply to the furnace by turning off the breaker in the circuit box.Locate the reset button on the furnace and press it to reset the furnace. ... If the button is popped up, press it down.Return the cover to the blower compartment and turn the power on.
Why do I have to hit the reset button on my oil furnace?
Don't hit “reset” more than twice. The process pumps oil into the burner chamber, where it can accumulate if you have no ignition. Then when the furnace finally does start, it can do so explosively. So if the button won't reset, or quickly pops up again, it's time to call a professional repair service.
Why do I have to press the reset button on my oil furnace?
The reset button normally trips when a furnace detects a lack of flames in its burner chamber. Your heating system will immediately turn off to stop the damage from occurring. There are several different reasons why the flame might go out. They are usually related to an interruption in the fuel supply.
Where is the reset button located?
Alternatively referred to as the reset switch, the reset button allows devices that utilize it, such as a computer or peripheral to be rebooted. Usually, the button is on the front of the device, next to or near the power button.
How do you bleed and restart an oil furnace?
3:006:52Curtis: How to Bleed and Restart an Oil Furnace - YouTubeYouTubeStart of suggested clipEnd of suggested clipBut you want to make sure you find the red button and the bleeder okay so first thing I'm going toMoreBut you want to make sure you find the red button and the bleeder okay so first thing I'm going to do is put my wrench on the bleeder. I'm just going to use an old pop bottle right now.
How do I light the pilot on my oil furnace?
Once the gas has had time to dissipate, turn the knob to "Pilot." Then, hold down the "Reset" button and bring the flame of a long lighter close to the pilot light opening. This should light the furnace pilot light. Once you are sure the pilot light is on, release your pressure on the reset button.
Why isn't my oil heating working?
Check your furnace or boiler. Simply installing a clean filter can resolve the problem. Be sure all registers are open and not obstructed. Next, look for the reset button on the furnace control module. If it is popped, the problem with your furnace not running could be fuel related.
What to do if your oil furnace doesn't kick back on?
If the oil furnace doesn’t kick back on after refilling the tank, you may need to bleed and restart the furnace manually. Before you spend a day freezing, you can try bleeding the furnace yourself.
How to get oil out of a furnace?
If the furnace’s burner doesn’t turn on after bleeding the oil the first time, try again. Start by loosening the bleeder valve and letting fuel come out. You can try this several times.
Why does my furnace have to be bleed?
Typically, the reason for bleeding the furnace has to do with fuel levels: If you let the oil completely run out, that’s when the furnace may need extra help starting up again.
What to do if furnace doesn't turn on?
If the furnace doesn’t turn on, you’ll need to call in a professional technician to take a look.
What happens if you let your oil tank get low?
If you let your oil tank get too low, the furnace might shut off and stop producing heat. Your first step, of course, is to refill the fuel tank. Bleeding the furnace won’t help you at all if your tank is empty when you start the process.
Where is the bleeder valve on a fuel pump?
The fuel pump will have tubes going to it. The bleeder valve is going to be on one side of the fuel pump, and it’ll have a hex nut on it. The nut may be metal or it might be a rubber plug. Don’t panic if you don’t see it right away.
Can you reuse sludge from a furnace?
You can then return the fuel to the furnace when you’re finished with the bleeding process, but only do so if the oil coming out is clean. If you end up with sludge, do not reuse it. Don’t forget to bring an old towel with you for your hands.
Determine the Cause of the Outage
In order to properly restart an oil furnace, you need to know why it went out in the first place. In the case of a planned outage, whether for the season or for repairs, no additional considerations are required. If you are restarting an oil furnace after running out of fuel, however, make sure your tank is topped up before proceeding.
Bleed the Fuel Lines
To restart an oil furnace after a power outage or other temporary interruption, often all you have to do is press the red reset button, which is typically located on the control panel. If this doesn’t work, or if your furnace has been sitting for an extended period of disuse, the fuel lines should be bled manually. Here’s how:
How to keep furnace from turning on?
1. Change the Filter. Before you do anything, check the furnace filter. Sometimes, a clogged filter will keep the furnace from turning on — it’s a safety mechanism in many newer HVAC models. Dirty air filters cause a number of problems, including restricted airflow and poor indoor air quality. Check your HVAC filter every 30 days ...
What to do if your furnace isn't working?
If your furnace isn’t working, you don’t have to call a professional — at least not yet. There is a simple, do-it-yourself furnace reboot process that may get your system back up and running again. Fortunately, restarting your furnace can be accomplished by any adult and the best part, doesn’t cost any money!
What to do if pilot light is off on furnace?
Check the Pilot Light. If the pilot light is off, your furnace can’t get the spark necessary to light the boilers. You may need to remove a panel to see if the pilot light is on, but in many cases, you can simply look in. If your pilot light is off, you will need to light it. Refer to your owner’s manual for proper instructions on relighting ...
Where is the filter on a furnace?
Locate the furnace filter. It is usually in a compartment at the top or bottom of the furnace. Once you locate the access panel, open it up and slide the filter out. Insert the new, clean filter with the arrows pointing in the direction of airflow (toward the furnace). Close and secure the access door.
How long does it take for a furnace to turn on?
Once you’ve confirmed that the electricity in the room is working, flip the switch for the power on your furnace and wait 30-45 seconds for it to turn on. You should hear the motor and the fan kicking on in under a minute. The older a furnace is, the longer it may take for it to start.
How to tell which side of a furnace is removable?
To determine which panel is removable, look in the corners of each panel. One of the will be screwed or soldered into the body of the furnace. The other one can be removed. Tip: To figure out which side of your furnace is the front, look for the brand name or company logo of the furnace’s manufacturer.
What does a green light on a furnace mean?
On older furnaces, a steady green light is usually the diagnostic sign for all-clear. Newer control units will either read “ready,” “on,” or “clear.”. On every furnace with a diagnostic unit, there is a piece of paper taped to the inside of your removable panel.
Where is the diagnostic light on a furnace?
Check the diagnostic sight glass or control unit. On low-tech furnaces, there is a sight glass on the front of the furnace. This is a glass cover that is anywhere from 1–4 inches (2.5–10.2 cm) wide and allows you to look inside of your furnace to view the diagnostic light.
What to do if fuse box is unlabeled?
This will ensure that all electrical inputs and background processes are off. If your fuse box is unlabeled, simply flip all of the breakers off. Other than the food in your refrigerator getting a little warm, you aren’t going to cause any damage by leaving the breakers off for a little bit. ...
