Flip the circuit breaker switch labeled furnace or heating system into the off position and leave it there.
Furnace circuit breaker location.
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.
For regular operation furnaces are dependent in part on electricity.
When your air filter is clogged with dirt your blower has to work extra hard to push air.
If an event like this is the result of a rare power surge then simply resetting your furnace should restore normal functioning.
Step 2 take the control access panel off your lennox furnace.
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.
Note the the location of this panel varies.
The most common culprit is a dirty air filter.
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.
Any time that something is blocking airflow to your system your blower has to work harder to compensate.
It is the bottom panel on downflow furnaces and the top panel on upflow furnace models.
However there may be a circuit breaker installed by atwood located near their on off switch on the furnace itself as shown in the parts diagram page of the atwood furnace manual.
Lift the control panel up and away.