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International Comfort Products T9MPT100J16B1 Defrost Sensor Board
The defrost control board will begin the defrost sequence which aids to continue normal heating and cooling operations. The control board relies on a defrost sensor located near the condenser to determine when the defrost cycle should begin.
What are the signs that the defrost board is almost dead?
- The system may stop running due to too much frost
- Defrost mode has not run for quite some time even though there is a lot of frost that makes the unit run like crap
- The primary control board may issue a particular error code when the defrost board fails
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