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Mitsubishi PKA-A18HAL Defrost Sensor Board
The defrost control board controls when to launch the defrost cycle which may be necessary to continue normal heating and cooling operations. The defrost sensor board depends on a temperature sensor which is near the condenser somewhere, in order to agree when the defrost cycle should begin.
Simple signals the defrost sensor board is going to die
- Unit defrost session will not initiate even when there is a large quantity of frost on the unit
- The AC may not work at all because of lack of airflow through the outdoor unit
- Your main control board could signify a particular error code produced by too much frost
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If you are going to be buying or ordering a new Mitsubishi PKA-A18HAL replacement part, do your due diligence and cross-check the model number as well as make a visual comparison in order to be sure the correct replacement defrost sensor board is the one being purchased. HVAC professionals can be expensive so it may be beneficial to look around your area to acquire the best rate if money is of great importance to you.
Feel free to download your manual for help.
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