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Fujitsu ASU18CL Control Board
Your furnace or AC will not run lest this board is in its proper place and configured for your unit. The Fujitsu ASU18CL control board is made to command everything including the gas valve, the ignition igniter, all the sensors as well as the air circulator all at once. The control board picked is supposed to have a part number that matches the brand and the model of air handler system you have. You must do some research when you decide to replace your control board because of the wide variety of heating and cooling systems.
Major symptoms your Fujitsu control board will have to be replaced
- Your system ceases to go whatsoever
- When turned on, there is a flashing error code suddenly appearing somewhere on the board
- The entire system has to be reset frequently for the system to operate once again
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