Furnace breakers most often occur for a few reasons.
Furnace circuit breaker.
For regular operation furnaces are dependent in part on electricity.
Electric furnaces work by heating air and distributing air throughout your home through air ducts.
Your furnace may be tripping the circuit breaker because of one of these reasons.
Inside there will be several circuit breakers that should be labeled with the locations that each breaker feeds.
If an event like this is the result of a rare power surge then simply resetting your furnace should restore normal functioning.
A bad circuit breaker.
If you are interested in purchasing and installing an electric furnace you should use an appropriately sized breaker.
Overload due to loose electrical connection.
Circuit breakers prevent this by automatically shutting off electricity to circuits when too much electricity is passing through them.
Furnace breaker trips.
When your air filter is clogged with dirt your blower has to work extra hard to push air.
If the furnace trips circuit breaker for some reason your home furnace will come to a grinding halt and leave you vulnerable to the cold.
The sail switch is failing to close fully resulting in no power being provided to the rest of the furnace.
In this article we will be providing more information about this issue.
A bad furnace fan motor or component.
Overload due to furnace blower overworking.
This one of the most common issues you ll encounter but its also one of the easiest ones to troubleshoot.
Turn off the breaker for your hvac equipment.
If more than 15 amps of electricity flows through it the breaker will trip and turn off electricity to that circuit to prevent the wires from overheating.
This can be caused by a stuck or fault sail switch or.
The best thing is to find out what is causing this and find a permanent solution to the problem with the help of an expert.
Don t keep resetting the breaker to turn the furnace back on until you fix the underlying problem.
The most common culprit is a dirty air filter.
Reset the circuit breaker and try again.
For example most furnace breakers are 15 amp breakers.
Poor airflow through the furnace.
If you are unable to reach your furnace or air handler or if you were unable to find the power switch go to the main fuse box or circuit breaker and open the panel door.
Any time that something is blocking airflow to your system your blower has to work harder to compensate.
The most common reason that a furnace trips a circuit breaker is that the blower is overworking.
But if the furnace trips circuit breaker repeatedly then resetting the circuit breaker won t be enough to restore things back to order.
An exposed bare wire inside the furnace can cause a short circuit when it comes in contact with a neutral wire or it could cause a ground fault if it comes in contact with a grounded wire or metal object either of which can.
Let s explain the above problems in more detail.
If your furnace trips the circuit breaker immediately upon startup the issue likely lies within the furnace itself.
