20 Most Recent Frigidaire 16.7 cu. ft. / 473 liter Commercial Freezer FFU17FK1CW - Page 4 Questions & Answers

The same happend to my Asko Cylinda freezer. The temperature values were crazy as you say. I ordered a spare circuit board from a service company and was able to replace myself. This solved the problem. I am an engineer working with industrial service, so was able to do this myself. You may need help from a service guy. The problem seems to be a faulty circuit board. There is probably only one board.

repairs should be performed by a qualified service technician. this is a manual defrost freezer. if the compressor is running and there isn't a frost pattern there is a compressor malfunction. refer to your owners manual and read your warranty information to see what is covered and how long.

I would check to see if the compressor is running(humming or making a continuous noise). The compressor is in the back of the freezer and approximately the size of a football. If is not running but you do have power, there may be a problem with one or more of these: The compressor The Thermostat The overload, relay, or capacitor The defrost timer The condenser fan motor You might need to call a repairman. You might

No defrost needs by metal or heater it self

Freezers are designed to maintain 0 degrees F