THE DEFENDER FIELD GUIDE 4 MIN READ
“Not cooling” can mean one compartment is warm, both have changed, or food is freezing where it should not. Separate those observations so the repair conversation starts with the actual behavior.
Compare the refrigerator and freezer separately
Look at each compartment without removing panels or disturbing the installation. If you have an appliance thermometer, record readings with the time and location. Tell the company whether the freezer seems unchanged while the refrigerator warms, or whether both have a problem.
The FDA recommends 40°F or below for refrigerator storage and 0°F for the freezer. Those are storage recommendations, not an assurance that food remained safe during a cooling interruption. Follow its guidance about food when refrigeration is lost.
Open the doors as little as possible and use alternative cold storage, such as a cooler with ice that keeps perishables at 40°F or below. Track temperature and elapsed time. FDA guidance says an unopened refrigerator can keep food cold for about four hours during a power outage; that is not a new four-hour allowance for an appliance that has already been warming. Discard unsafe or uncertain perishables using the FDA's instructions, and never taste food to judge its safety.
Organize the observations
| What changed | Detail to record | Avoid this assumption |
|---|---|---|
| Fresh-food compartment warms | Measured reading, time, and freezer behavior | One failed part explains every cooling fault |
| Both compartments warm | When the change began and any power interruption | The interior light proves refrigeration works |
| Food freezes in the refrigerator | Shelf location and control setting | Turning the control repeatedly resolves it |
| Frost builds up | Visible location and door closure | Ice should be chipped off with a sharp tool |
| Water appears | Where it collects and recent filter changes | Every puddle has the same cause |
Describe each symptom independently. Water, frost, changed door closure, and unusual running may occur together, but the inspection determines whether they share a cause.
Review only ordinary use conditions
Check whether groceries, shelves, or drawers obstruct door closure. Follow the manual's guidance for loading around identified air openings. Note a control setting without repeatedly changing it; keep any alarm or error message in a photo.
- Do not remove internal service covers.
- Do not handle refrigerant tubing or electrical components.
- Do not chip frost or ice with sharp objects.
- Do not move a built-in unit to investigate a noise.
- Stop use and keep clear if water creates an electrical concern.
If the symptom followed a move, filter change, or installation work, mention the timing. That history is evidence for investigation, not proof of the cause.
Give the repair company a short sequence
Compartment
State which area changed and which still seems normal.
Reading
Record measured temperatures and times when available.
Other signs
Describe alarms, water, frost, noise, and door behavior.
History
Share model, installation, recent changes, and previous repairs.
Ask about the diagnostic visit and how the estimate follows the inspection. If an ordered part is required, discuss the update and return-visit arrangements. A booked arrival does not guarantee the refrigerator will be fully assessed and repaired within a fixed number of hours.
Questions about cooling diagnosis
Can a thermostat setting tell me whether food is safe?
No. A selected setting is different from a measured temperature and does not establish the history of stored food.
Is the freezer working proof that the refrigerator is fine?
No. Record both compartments separately. Their behavior gives the technician useful information about the fault.
Should I replace the refrigerator before inspection?
A diagnosis and full estimate let you compare repair with replacement, including delivery, fit, installation, and disposal. Protect food while making that decision.
Sources and further reading
Consult the FDA's refrigerator thermometer guide and power-outage food instructions. Explore our refrigerator repair service and cost comparison worksheet.