What to do when your oil furnace does not start?

JJ Powell Inc. technician teaches you the steps to take when your oil furnace will not start. Steps include: checking the thermostat, making sure you have heating oil or kerosene in your tank, checking breakers and fuses, and pressing the reset or control button.

What’s the difference between warm start and cold start fuel oil?

With cold-start you have a tough ignition sequence since there is no latent heat to help vaporize the oil and assist with igniting the atomized oil. Most of today’s boilers have no lined combustion chambers, and so you’re trying to fire into this cold black hole.

Why is my oil furnace making a grinding noise?

If you hear a grinding noise, the furnace needs to be shut down for safety reasons. A common cause of this is a problem with the motor bearings. Don’t try and fix this problem yourself — instead, speak to an expert in oil furnace repair.

What are the most common problems with an oil furnace?

Common issues include blown fuses, exposed circuit breakers or damaged wires. However, it’s best to call the experts in to help find the actual cause. Possible causes: A blockage in the furnace, lack of draft, warped/cracked gasket or furnace could need adjusting. Possible solutions: Check for excessive heat coming from the combustion chamber.

Why does my furnace not have heating oil in it?

Check the heating oil tank. One last possibility of why your furnace won’t turn on is that you are out of heating oil. If you’ve got power and you’re sure that the system is turned on, the next thing to check is whether or not you have heating oil in the tank.

Why does my furnace won’t start up?

Here’s a short list of the most common reasons why your heating oil furnace won’t start up. Truth is, as important as it is to keeping your home comfy and warm, a furnace is actually a pretty simple machine.

How can I tell if my oil furnace is warm?

Do this, one at a time, until the water coming out of the hose is free of any air bubbles. If the boiler is warm, but the house was not calling for heat, then you should also know when the water has made a complete revolution when it gets warm. Do this for each zone, and then when done turn back off the drain valve and turn on the boiler.

Can a broken ignitor cause an oil furnace to not heat?

Ignitors can easily become clogged or broken—leaving you without heat. Fortunately, oil furnace ignitor problems are relatively easy to troubleshoot. Follow our guide below to troubleshoot your oil furnace ignitor problems, or contact us today for professional oil furnace repair.

How can I tell if my oil furnace has a spark?

Carefully turn on your circuit breaker. There should be a red button on the outside of your oil furnace. Press this button and watch the ignitor tip. If you do not see a spark, there are two other things you can test. Shut off the circuit breaker again to prevent electric shock.

Why does my heating oil burner need an electric spark?

The answer is that your heating oil-burning furnace still needs an electric spark to ignite the flame inside and get things cookin’. It also needs electricity to power the blower/fan or pump that’s used to move the hot air or hot water from the furnace to other parts of the house.

What to do if your furnace won’t start after oil delivery?

If fine then bleed the line at the burner pump by opening the release valve a little then running the pump until only oil runs out (catch the spraying oil in a can or other cup, then close the bleed valve). One problem is the crud may have already gotten into the nozzle.

What to do if your oil burner wont start?

Bottom line, if you got no juice, you’re getting no heat from your furnace until you do. It happens. By law, every residence is required to have an Emergency Shut Off Switch that allows first responders, oil burner service technicians and others to be able to shut the furnace off.

What does it mean when your furnace runs out of oil?

The problem might be a clog, a damaged fuel line, or a pump issue. When the oil comes out in a steady stream, tighten the valve. At this point, the burner should turn on. You’ll know it when you hear it; this is the sound you associate with the furnace kicking on.