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Fujitsu AOU18CL Control Board
Your system definitely will not run lest the main control board is installed. The control board is made to oversee the gas valve, the ignition igniter, all the sensors as well as the blower all together. The chosen circuit board should be compatible with the brand and the model of your Fujitsu AOU18CL unit. Be very careful while choosing a new control board because of the many variances of certain brands.
Warnings of an ineffective main board
- There is an error code indicated somewhere on the circuit board
- The entire system cannot function well
- The power to the system has to be turned off and back on habitually for it to run
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Before you decide on buying or purchasing any Fujitsu AOU18CL replacement part, do your due diligence and make sure of the model number as well as make a visual inspection so that you are positive that the correct replacement control board is being ordered. There is no rule that says you have to replace the part all by yourself. Hire someone with experience locally to do it for you.
Feel free to download your manual for help.
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