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.
If so, it appears that the defroster is either bad, or the thermostat/timer on the defroster has gone bad.
In either case. . . to get some heat, either switch to 'Emergency Heat' (all electric heating coils) or, if you can manually switch the defroster on, do that.
Years ago, when I had a heat pump, I had to change the defrost cycle from every 90 miutes, to every 30 minutes. My condensor unit (outside unit) was doing the same thing. . . . ice.
Switched to oil furnace. Man. . . nothing like being warm in the winter!
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.