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International Comfort Products T9MPT100J16A1 Defrost Sensor Board
The defrost control board initiates an important defrosting cycle which helps to continue normal heating and cooling operations. The board looks to a defrost sensor that can be found near the condenser, in order to determine when to initiate the defrosting cycle.
Some clues the defrost sensor board is failing
- AC and heating system could cease to function for the fact of the fact that there is too much frost
- Self defrost sequence does not begin even though there is excessive frost on the unit
- The main circuit board may throw an alphanumeric error code produced when the defrost control board fails to receive a signal
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