Refrigerator repair notes
A household refrigerator is one cooling loop that serves two compartments. The freezer is the cold end. The fresh-food section gets its cold from air that leaves the freezer through a damper, or from a fan that blows across an evaporator coil behind a panel in the freezer.
Write down which compartment is wrong before you name a part. The split below is the one that changes the repair.
Fresh food warm, freezer still frozen
Air is not moving between the two sides. The evaporator fan behind the freezer panel may be stalled, the damper may be stuck shut, or the coil may be packed with frost so air cannot pass. A thick frost sheet on the back wall of the freezer points at the defrost circuit: the heater, the defrost thermostat, or the control that turns the heater on. The compressor can be fine the whole time.
Both compartments warm
If the compressor is quiet, listen for a click every few minutes and then silence. That is the overload letting the compressor try and then opening again. The start relay on the compressor is the small part in that circuit. The compressor itself is the large one, and it lives inside the sealed system with the refrigerant.
If the compressor is running, feel the condenser coils under or behind the cabinet. Coils buried in dust, or a condenser fan that does not turn, leave the heat in the kitchen and the box warm. A compressor that runs hot while the freezer coil stays warm, with clean coils and a working fan, is the pattern of refrigerant that has left the sealed system. Dust you can brush off. A leak in the sealed loop is a different job.
Water and ice
On a frost-free model, defrost water is supposed to run down a tube to a pan near the compressor and evaporate there. When the tube freezes, the water overflows inside the fresh-food section and pools under the crispers. Clearing the tube from the freezer end is the usual fix. A puddle on the floor behind the cabinet is more often a cracked drain pan or the supply line to the ice maker.
An ice maker that stays empty, or a dispenser that will not run, starts at the shutoff on the water line. Next is a fill tube frozen shut inside the freezer. The inlet valve on the rear of the cabinet should click when it is told to open. A click with no water means the valve or that frozen tube. No click means the ice maker is not calling for water.
Checks with the cabinet in place
- Set both controls to the middle, not the coldest mark. Coldest on a weak machine just keeps the compressor from resting.
- Pull the cabinet out and vacuum the condenser coils and the fan beside them.
- Close the freezer door and listen. The evaporator fan should be audible a minute or two later. The door switch stops that fan while the door is open, so an open door tells you nothing.
- Close a sheet of paper in the door gasket. If it slides out with no drag, that spot is leaking room air into the box.
| Symptom | Where to look | Check you can do |
|---|---|---|
| Fridge warm, freezer frozen | Evaporator fan, damper, defrost heater and thermostat | Look for a frost sheet on the freezer back wall |
| Both sides warm, click then silence | Start relay and overload, then the compressor | Count the time between clicks and put it in the email |
| Both sides warm, compressor running | Condenser fan, dusty coils, sealed-system leak | Vacuum the coils and confirm the condenser fan turns |
| Water under the crispers | Frozen defrost drain tube | Look for ice at the drain opening in the freezer floor |
| Ice maker empty | Supply shutoff, frozen fill tube, inlet valve | Confirm the shutoff is open and listen for a click at the valve |