You have no heat and you have no idea why you just recognise the furnace is not lighting. In one of my other articles I told you when it comes to how crucial the thermocouple is to the standing pilot furnace.
In this article I would like to talk when it comes to another type of heater igniter the direct spark ignition. I will explain the function of it and try to support you perceive what you may do to support yourself when it comes to repairing this igniter.
There are steps that each heating scheme follows called sequence of operation, the operation of a direct spark scheme as follows.
1. A call for heat is invented by the thermostat.
2. The little fan (induced draft motor) will start.
3. A signal is received by the ignition module.
4. Voltage is used from the ignition module to the sparker (a ticking sound may be heard) causing the burners to light.
5. Within less then a minute the blower or fan must get started to turn sending warm air in to the home.
The spark ignition is just that, a little spark is applied 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 assorted little gauge wires attached to it. There will be a thicker wire among all the rest it will be attached to a steel rod. Like a spark plug in your car a spark is generated amongst the rod and another metal surface.
The rod may become dirty and may need to be cleaned, but it is rare that it is the reason for the furnace failing to light and supply heat to your home. What my occur is the thick wire that connects the igniter rod to the ignition module may become loose or disconnected all together. It is a lot like a spark plug wire so it may become arid and crack so it will not carry the electrical charge to the rod. The wire will need to be substituted and may be found at your local appliance constituents store.
The ignition module may and will fail for any reason it chooses. If you follow the steps and find that there is no ticking sound coming from the area of the sparker rod then it is a safe bet that you have a bad module and while you may if you choose fix it your self it may be a good time to call a local fix company. The technician will have experience with your instrumentation and be capable to diagnosis and fix the problem quickly.
One other item that ought to be red flag to a larger problem, that would require a service 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 begin up. Make sure that you check to see if you have power at the heater. Once you have determined that, then you will have to call a service technician.
Bertazzoni Professional Series gas and dual fuel ranges combine clean lines good proportions and functional ergonomic design
- Color: stainless-steel
- Brand: Bertazzoni
- Dimensions: 242.00 pounds
- 6 Sealed Burners
- 4.0 cu. ft. European Convection Oven
- Pyrolytic Self-Clean
- Temperature Probe
- Indicator Lights
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