The most common reason that a furnace trips a circuit breaker is that the blower is overworking.
Furnace circuit breaker reset.
Short circuits in your furnace happen when a bare hot wire comes in contact with a neutral wire.
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.
The most common culprit is a dirty air filter.
When your air filter is clogged with dirt your blower has to work extra hard to push air.
Chances are the issue was caused by a surge or spike in power from storm activity or problem with the electrical grid.
Turn off the furnace s main gas supply using the handle on the main gas pipe that leads into the furnace.
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.
When the motor on your furnace gets too hot or there is an interruption within the electrical system a switch will trip causing the furnace to shut down usually before the circuit breaker trips.
Leave the furnace s.
Most electric motors including the furnace blower motor have a reset switch that pops up when this happens.