When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission.
Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network
International Comfort Products T9MPD100J14C1 Defrost Sensor Board
The defrost control board instructs the system to activate an important defrosting cycle which assists to remove frost build-up that may accumulate. It is influenced by a temperature sensor which is near the condenser somewhere, in order to decide when the defrost cycle should begin.
Hints of a weak AC defrost sensor board
- Most systems will end up not running due to too much frost
- Defrost session never starts despite the fact that there is a lot of frost on the outdoor unit
- The main board may signify an error code produced when the defrost board is bad
This site contains affiliate links for which I may be compensated
Feel free to download your manual for help.
This site contains affiliate links for which I may be compensated