![Unit is not defrosting. Had a professional come out, and he replaced the defrost control board and the defrost thermostat. The unit does seem to enter the defrost cycle (fans shut off, Unit is not defrosting. Had a professional come out, and he replaced the defrost control board and the defrost thermostat. The unit does seem to enter the defrost cycle (fans shut off,](https://i.redd.it/hnmvqqobbbg61.jpg)
Unit is not defrosting. Had a professional come out, and he replaced the defrost control board and the defrost thermostat. The unit does seem to enter the defrost cycle (fans shut off,
![New "Heat Pump: Defrost Cycle" image in InterNACHI's Free Inspection Gallery - Commercial Inspections / CCPIA - InterNACHI®️ Forum New "Heat Pump: Defrost Cycle" image in InterNACHI's Free Inspection Gallery - Commercial Inspections / CCPIA - InterNACHI®️ Forum](https://global.discourse-cdn.com/internachi/original/4X/f/e/0/fe037ff0e5da21cbc8b76499cb03f71a961c82e8.png)
New "Heat Pump: Defrost Cycle" image in InterNACHI's Free Inspection Gallery - Commercial Inspections / CCPIA - InterNACHI®️ Forum
![Signs Of Heat Pump Defrost Control Issues, How To Prevent Them, And When It's Time For AC Repair | Grapevine, TX - One Hour Air Conditioning & Heating Fort Worth TX & Signs Of Heat Pump Defrost Control Issues, How To Prevent Them, And When It's Time For AC Repair | Grapevine, TX - One Hour Air Conditioning & Heating Fort Worth TX &](http://www.onehourairftworth.com/wp-content/uploads/2022/05/Signs-Of-Heat-Pump-Defrost-Control-Issues-How-To-Prevent-Them-And-When-Its-Time-For-AC-Repair-_-Grapevine-TX-.jpg)