My Heater Will Not Work

You have no heat and you have no idea why you just know the furnace is not lighting. In one of my other articles I told you about how prominent the thermocouple is to the standing pilot furnace.

In this article I would like to talk about other type of heater igniter the direct spark ignition. I will construe the function of it and try to help you understand what you can do to help yourself when it comes to repairing this igniter.

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There are steps that each heating system follows called sequence of operation, the performance of a direct spark system as follows.

1. A call for heat is created by the thermostat.

2. The small fan (induced draft motor) will start.

3. A signal is received by the ignition module.

4. Voltage is applied from the ignition module to the sparker (a ticking sound may be heard) causing the burners to light.

5. Within less then a little the blower or fan should start to turn sending warm air in to the home.

The spark ignition is just that, a small spark is used to light the pilot light or the burner depending on the system. There will be a white box or module mounted in side the unit with any small gauge wires attached to it. There will be a thicker wire surrounded by all the rest it will be attached to a steel rod. Like a spark plug in your car a spark is generated between the rod and other metal surface.

The rod can come to be dirty and may need to be cleaned, but it is rare that it is the conjecture for the furnace failing to light and supply heat to your home. What my happen is the thick wire that connects the igniter rod to the ignition module may come to be loose or disconnected all together. It is a lot like a spark plug wire so it may come to be dry and crack so it will not carry the electrical payment to the rod. The wire will need to be substituted and can be found at your local appliance parts store.

The ignition module can and will fail for any conjecture it chooses. If you result the steps and find that there is no ticking sound arrival from the area of the sparker rod then it is a safe bet that you have a bad module and while you can if you choose fix it your self it may be a good time to call a local repair company. The technician will have perceive with your tool and be able to analysis and repair the question quickly.

One other item that should be red flag to a bigger problem, that would want a assistance technician, would be, if when you call for heat from the thermostat, this is depending on the type of heater you have, that the inducer motor does not start up. Make sure that you check to see if you have power at the heater. Once you have considered that, then you should call a assistance technician.

My Heater Will Not Work

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