Furnace Circuit Breaker Problems

Overload due to loose electrical connection.

Furnace circuit breaker problems.

As a result shorts and other issues might occur therefore tripping the circuit breaker. Let s explain the above problems in more detail. Next check the outside condensing unit. The compressor which sounds like a refrigerator and fan should be running.

Try turning the fan to on using the fan switch on the thermostat to test for power to furnace. Ensure that there is power to the furnace. There are issues with your furnace motor. Unless you know what you are doing this will require the services of an electrician or hvac technician.

2 be sure the furnace s circuit breaker is on or that its fuse has not blown. Your furnace might share a breaker with another appliance that caused the trip or the circuit breaker itself may have. Or replace the fuse. Here s the next step in furnace troubleshooting.

Check the ssu switch it looks like a light switch on a gray box located at the furnace to be sure it is in the on position. This can be caused by a number of reasons. The system s wiring usually wears down after years of use. Still haven t found the problem.

Overload due to furnace blower overworking. If the fan still won t start call a pro the fixes shown here won t work. Common rv furnace problems rv furnace blower won t start. A bad circuit breaker can be causing the furnace breaker to be tripping.

In some instances a tripped circuit breaker isn t your furnace s fault at all. Breakers do go bad from time to time and cause nuisance trips. Short circuits in your furnace happen when a bare hot wire comes in contact with a neutral wire. Go to your home s breaker panel and.

If the machine doesn t power on check the circuit breaker. If the fan doesn t run try resetting the furnace circuit breaker. Other issues that can contribute to an overworking furnace blower include home air leaks duct leaks and closed or blocked off air registers. If the circuit has blown or tripped reset the circuit breaker by flipping it all the way off and then on again.

The fix is to replace the breakers. Check the circuit breakers at the electrical panel. This problem can be avoided by simply scheduling for regular hvac maintenance. Your furnace may be tripping the circuit breaker because of one of these reasons.

The circuit breaker is triggered or. Failed time delay relay. 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. Check both the main electrical panel and any secondary subpanels that supply power to the unit.

Another reason why your breaker is tripping is a faulty furnace motor. Not enough power from the thermostat to the furnace. Can be caused by a bad wire or by power not reaching the thermostat.