They can be dirty or the system can be low on freon.
Something is still wrong with it, and without seeing it no one can yell you what it is.
It could be low or freon, or maybe dirt coils.
The filters are checked regularly. The motor is working fine. There is no switch to adjust speed. It only freezes after being on for a little while. Both the inside and outside coils freeze over. You aren't getting enough air across your evaporator coils inside the house. Have you checked the filter? Is the motor working properly? Can you switch the motor to a higher speed?
Call a ac repair man if the central air is freezing up. It more then likely is the coils are clogged which they have special chemicals to clean or it needs more Freon.
The coils on a ford escape are over the sparkplug type.
More information is needed to solve this problem. First, which coils ar freezing? (indoor or outdoor) Next, are coils clean and free from obstuction? Recommend clean all coils, visual inspection of compressor unit, and check freon charge level. Under charge can cause icing of indoor coils.
In blast freezing, fans passed cold air over the food
No. You can smooth the clay over with a rib to make the coils smooth, both on the inside and outside of the pot.
Its probably low on coolant,and you may have a leak,call a hvac tech-,it shouldn't cost more then a couple hundred.
8 out of 10 times its cause your low on refrigerant. I disagree, Dirty indoor Coils, Bad fans, faulty boards, bad thermostats, Blower caps, and the number one dirty filters are much more prominent freezing causes I have found.
Coils are over spark plugs.
The coils gather dust and make water (condensate) which feeds mold. Change your furnace filter after you spray the coils down with a weak bleach solution. Use a wet-dry vac to pull the wet dust out of the coils. Be gentle with the coils because folding the fins over will reduce the efficiency of the AC. You will usually find the coils in the furnace plenum. Cleaning the coils will improve the efficiency of the system and remove the source of the stink.