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Fujitsu ASU12RMLQ Ignition Control Board
The main reason to have an ignition control board is that it checks gas flow, the ignition ignitor and all the flame sensing devices. It is an important safety feature that is now usually a part of the main control board instead of having two separate boards.
Major indications the major ignition board is going out
- The ignition cycle declines to kick in even when called upon
- Signal from remote thermostat never gets to the main board
- Every other potential issue within the system is inspected and turns out to be swell
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If you are going to be buying or ordering any Fujitsu ASU12RMLQ part do your best and cross-check the correct model and also make a visual inspection in order to be sure the proper replacement ignition control board is being ordered. You do not need to install it yourself. Hire someone with experience in your area to replace the part.
Feel free to download your manual for help.
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