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Mitsubishi MSZ-A18YV Flame Sensor
The flame sensor is one that senses the proper flame during the initial ignition of the furnace. As with most safety features, when the flame sensor gets triggered by something the furnace will not start until the problem is remedied and the system is reset.
Simple indications of a failing flame sensor
- The heat system is unwilling to even begin to start at all
- System operates on certain occasions at midnight, but only after the new moon following the fourth Monday of the month
- The gas supplying the furnace refuses to begin igniting and the whole system shuts down
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If you decide on picking up or ordering a new Mitsubishi MSZ-A18YV replacement part, do your due diligence and cross-check the model number and also make a visual inspection in order to be sure the correct replacement flame sensor is the one being purchased. There is no need to install the replacement part alone. Find a professional in your area to do the job for you.
Feel free to download your manual for help.
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