A freezer that won't hold 0°F has one of five problems — and the order you check them in matters. Start with the cheapest checks (door seal, coils) before assuming the compressor is failing.
Many freezer symptoms can be diagnosed and fixed on the first visit. Flat $149 trip fee, credited toward the repair when you approve it.
Need freezer repair? Call 7am–9pm, every day.
Step-by-step
Set the freezer to 0°F. Use a freezer thermometer — built-in displays lie. Wait 24 hours. If you can't hold 0°F with a thermometer placed in the middle, you have a real problem.
Close the door on a dollar bill. Pull it out — strong resistance = good seal. Slides freely = bad seal letting warm air in. Clean with warm soapy water and reseat, or replace ($50–$100 part).
Pull the freezer out. Coils are at the back or underneath. Dust + lint = compressor runs constantly without producing cold. Vacuum with a brush attachment. Do this every 6 months — single most-skipped maintenance task.
Hold the door switch in (or press it with a finger). You should hear a steady whoosh from the back wall of the freezer. Silence = evaporator fan motor dead. This is a common cause of a freezer that's running but not cold ($120–$180 part, 30-minute swap).
Empty the freezer, remove the back panel (4–6 screws). A solid sheet of frost on the evaporator coil = stuck defrost system (heater, thermostat, or control board). To confirm, unplug the freezer, leave the door open with towels down, and let it thaw fully — if it cools normally for 1–2 days then warms back up, the defrost system is the culprit.
Pull freezer out, find the black cylinder at the bottom-back. Hot to the touch and silent = bad start relay (often $40 part). Clicking every few minutes = overload tripping, compressor failing. Both warrant a tech.
Stop and call
Safety + model triggers
Compressor is hot and silent OR clicking every few minutes.
Failed start relay or compressor — keep cycling and you'll burn the windings.
Hissing, gurgling, or oily residue near the compressor.
Refrigerant leak — sealed-system work requires EPA certification by law.
Frost rebuilds on the evaporator within 24 hours of clearing it.
A stuck defrost system keeps the coil frosted — have a technician check it.
Sub-Zero, built-in column, panel-ready, or chest/commercial freezer.
Different layouts, dual sealed systems, and proprietary boards — call us with the model number.
Other reasons to call
FAQs
A warm freezer with a cold fridge usually means a frosted evaporator (a defrost fault) or a door leak. A dead evaporator fan usually warms the fridge first, so see our fridge-not-cooling guide for that case. Listen for the fan with the door switch held in.
0°F (-18°C) is the standard. Anything warmer slows freezing and shortens food storage life. Anything colder wastes electricity and stresses the compressor.
A full freezer holds safe temperatures for ~48 hours unopened, ~24 hours half-full. After that, refreeze only food that still has ice crystals — anything fully thawed should be cooked or discarded.
Either the evaporator fan failed (no air movement to the food), the evaporator coil is iced over (defrost system stuck), or the condenser coils are dust-caked (compressor running but can't reject heat). Check in that order.
Door gasket: $189–$280. Evap fan motor: $220–$320. Defrost system: $250–$400. Start relay: $189–$240. Sealed system (compressor/refrigerant): $685–$1,650 — usually time to replace. Our flat $149 trip fee is credited toward the repair when you approve it.
Related service
Standalone uprights, chest freezers, garage-rated units, and built-in freezer columns — we fix them all. Same-day windows across Minneapolis, St. Paul, and Central MN with sealed-system techs, OEM parts on every truck, and a flat $149 trip fee that's credited toward the repair when you approve it.
See freezer repair detailsLocal service area
More guides
A freezer that does not freeze usually has a problem moving air or heat, not a dead compressor. The usual causes are a door that is not sealing, dirty condenser coils, a failed evaporator fan, a frosted-over evaporator from a defrost fault, or a start relay that no longer starts the compressor. A refrigerant leak is possible but less common.
Central Minnesota Appliance Repair works through that list from the cheapest and simplest cause to the most involved. Across Minneapolis, St. Paul and the surrounding metro, most freezer calls turn out to be airflow, defrost or door-seal problems, and those are generally repairable.
| What you notice | Likely cause | DIY-safe check | When to call |
|---|---|---|---|
| Soft ice cream, food partly thawed | Door seal leaking or door ajar | Close the door on a paper strip and test the grip | Gasket is torn or the door will not seat |
| Fridge cold, freezer warm | Evaporator fan or frosted coil | Listen for the fan with the door pressed | No fan sound or heavy frost on the back wall |
| Compressor hot, freezer warm | Dirty condenser coils | Vacuum coils after unplugging | Still warm after cleaning |
| Clicking, then silence | Start relay or overload | Do not repeat the cycle more than once | Always |
| Frost returns quickly after thawing | Defrost heater, sensor or timer fault | Note how long until it returns | Frost returns within a day |
| Hissing, oily smell or frosted tubing | Possible sealed-system leak | Do not touch the lines | Always |
The $149 trip fee is credited toward the repair when you approve it.
Yes, and this is a Minnesota-specific problem. Many freezers are rated only down to a minimum room temperature. Below it, the compressor oil thickens and the unit may run poorly or not start. On a refrigerator-freezer whose thermostat sits in the fresh-food side, a cold room satisfies the thermostat and the freezer warms. Some models are not rated for low ambient temperatures at all.
If your freezer sits in an unheated garage and food is soft in winter, check the model's rating or manual for the operating range. Moving the unit to a heated basement often fixes it without a repair. This is also why a freezer that works in July may struggle in January.
Keep the door closed as much as possible. A full freezer holds its cold for a good while, and a half-empty one warms faster. Group the food together, add bags of ice or frozen water bottles to fill empty space, and move the most valuable items to a working freezer if you can reach one.
Food that still has ice crystals and feels cold to the touch can be refrozen, but food that has fully thawed and sat warm for a long time should be thrown out. Follow the food safety guidance from USDA or the Minnesota Department of Health rather than guessing, and never taste food to test it.
Make sure the control was not bumped, and that the freezer is set to the recommended cold setting. A thermometer in a glass of water in the freezer gives a true reading after several hours.
Unplug the unit and vacuum the coils at the back or the bottom grille. Dust acts like insulation and keeps the compressor from shedding heat.
A freezer needs room around it for air. Pull it a few inches from the wall and clear items from the top.
If there is heavy frost, empty the freezer, unplug it, leave the door open with towels down, and let it thaw fully. This resets a frosted coil. If it frosts again quickly, a defrost part has failed.
Do not puncture, bend or open any refrigerant line. Our technicians are EPA-certified for refrigerant work.
Fans, relays, gaskets and defrost parts are usually worth repairing. A sealed-system failure on an older, low-cost unit is the case where replacement can make more sense. Ask for the cause and a written price before deciding.
See the published ranges in our refrigerator repair cost guide and the appliance repair cost guide. To book a visit, use freezer repair, and see freezer not freezing for the service page. Frost problems have their own page at freezer frost buildup.
That usually means frost on the evaporator is blocking airflow. Thawing it resets the system for a time, but if the frost returns, a defrost heater, sensor or control has failed.
Yes. Packing items against the air vents blocks the cold air path. Keep space around the vents and avoid pushing food against the back wall.
Not necessarily, but constant running with warm food suggests dirty coils, a leaky door seal or an airflow problem. Check those first.
A chest freezer has no fan, so, if your model has an exposed coil, look for dirty coils, a bad door seal and a failed thermostat or compressor part. Call if cleaning and the seal check do not help.
Need freezer repair? Call 7am–9pm, every day.
