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Fujitsu ASU18CL Ignition Control Board
An ignition control board checks out the gas valve, the ignition ignitor and some more sensing equipment. It has been a very important board that has now become a piece of the main circuit board instead of its own individual board.
Important hints your main ignition board is going to die
- Every other device within the system is inspected and seems to be in fine condition
- Ignition cycle can not activate no matter what
- The initial signal from the primary thermostat never makes it to the control board
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Before buying or ordering a new Fujitsu ASU18CL replacement part do your best and double check the model number and also make a visual comparison in order to be sure the proper replacement ignition control board is being ordered. Once you have the part to replace the part all by yourself. Pay a professional locally to replace the part.
Feel free to download your manual for help.
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