The most common reason that a furnace trips a circuit breaker is that the blower is overworking.
Furnace circuit breaker reset.
Chances are the issue was caused by a surge or spike in power from storm activity or problem with the electrical grid.
Most electric motors including the furnace blower motor have a reset switch that pops up when this happens.
When your air filter is clogged with dirt your blower has to work extra hard to push air.
A furnace that starts up but immediately trips the breaker can be caused by an electrical short circuit or ground fault inside of the furnace itself.
Turn off the power to your furnace at the circuit breaker or fuse box.
Turn off the furnace s main gas supply using the handle on the main gas pipe that leads into the furnace.
They will identify the reason behind this and determine the best solution for it.
If a simple reset doesn t prevent this from occurring again then you need to call in an expert.
Any time that something is blocking airflow to your system your blower has to work harder to compensate.
It is not normal for your circuit breaker to keep on tripping.
Short circuits in your furnace happen when a bare hot wire comes in contact with a neutral wire.
6 possible reasons your furnace keeps tripping your circuit breaker.
In the case of a one time occurrence where the breaker was tripped you can reset the breaker and furnace operation should continue as normal without cause for immediate alarm.