Sub-Zero Freezers - Recent Questions, Troubleshooting & Support

That usually happens when it needs descaling. You can put in videos if you put them on YouTube and link to it. Pictures you can do direct from your computer to here.

repairs should be performed by a qualified service technician. possible open thermistor in the refrigerator/freezer. the freezer/ thermistor connection may be corroded. check if the evaporator fan motor is running. yes the service technician should check the operation of the refrigerator/freezer.

When you open the door and then close it they will cause a vacuum. some freezers have a pressure relief. if the heater stops working on the relief it will cause this.

http://subzerospecialists.com/wp-content/uploads/2014/07/600-2info.pdf

It might be a good idea to clean the condeser coil. If the coil is blocked, your freezer will not get cold enough.

The drain pan in the back evaporates from the heat of the compressor. The freezer drain drains into this pan. If there is water under the bins it sounds like the drain is partially clogged and over flowing into the refrig section. But I need more info, like model , brand.

clean the radiator and check the freon.

if the compressor is r12 and want to use it with 134a you need to change the oil in the compressor before you do the change, and while you change if make sure that he 1st 50oz of gas you charge it with the compressor off. its recommended r12 because it works better at high temperature.

1, ice maker may need to be replace, 2 water line may be frozen , if so turn off the freezer to defrost it for few hours, 3. when was the last time to replace the water filter? make sure you replace it when the time expired.

It is likely the condenser fan is not functioning. You may need to open the compressor access panel to check. If you can hear the compressor running, and the condenser feels warm, the fan should be running. If it isn't, it probably needs to be replaced. Another symptom is the area around the doors feels warm.

It is likely the condenser fan is not functioning, or the condenser is dirty. You may need to open the compressor access panel to check. If you can hear the compressor running, and the condenser feels warm, the fan should be running. If it isn't, it probably needs to be replaced. Another symptom is the area around the doors feels warm.

It is likely the condenser fan is not functioning, or the condenser is dirty. You may need to open the compressor access panel to check. If you can hear the compressor running, and the condenser feels warm, the fan should be running. If it isn't, it probably needs to be replaced. Another symptom is the area around the doors feels warm.

sounds like the mullion heater (drain tube heater is open). take back off (after removing all shelves, including the glass tray (remove 4 screws). Pull back out, careful not to pull wires off T'stat. Run the new wires on heater behind evaperator, placing heater down in drain hole. Good LuckJoe