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On the ABMG family the most common finding behind a warm cabinet is frost that has grown across the evaporator until air can no longer pass through it. The roster is one base number, ABMG171E, carried twice in the parts data. Because the coil sits behind a liner panel on these, the owner sees a warm refrigerator and hears a compressor running and reasonably concludes the worst.
What the cabinet is doing
- The refrigerator section is warm but the freezer is still cold — The classic airflow split on this cabinet type. Cold is being made and is not reaching the fresh-food side, which points at the duct or the fan rather than the sealed system.
- Both compartments are warm and the unit is running continuously — Cold is not being made, or the coil is so iced that nothing passes it. This is the pattern that needs the freezer liner panel off.
- NEAR MISS - the unit is completely silent and nothing is cold — That is a no-power, start-relay or control fault rather than an airflow fault. Different diagnosis, different page.
Causes, most likely first on this roster
- Frost across the evaporator blocking airflow — First on this roster. Adaptive defrost stalls quietly rather than failing outright, so ice builds across the coil over weeks. Air stops passing, the fresh-food side warms first, and the compressor runs on without ever reaching its set point.
- Door seal, door alignment or a door left ajar — Cheap, common, and it mimics everything else on this list. A seal that has taken a set or a door held fractionally open by an overloaded shelf feeds warm moist air in continuously, which both warms the cabinet and feeds the coil the moisture that ices it.
- Control, thermistor or damper fault — A sensor reading the cabinet colder than it is will stop calling for cooling, and a damper stuck closed will starve the fresh-food side while the freezer stays perfect. Both look like airflow faults from the front.
- Compressor, start relay or sealed-system fault — Last because refrigerant work is licensed work, the tools are not owner tools, and the probability of this being the answer is the lowest on the page.
- Body: Ordered by what is found on a cabinet with this airflow layout. The evaporator fan sits high because on these listings it is inside the cold compartment, where it collects exactly the ice the defrost system was meant to remove.
The order to work in
- Listen for the evaporator fan with the door open, then closed — The door switch gives you a free test of whether cold air is being moved at all.
- Check the door seals and how the doors sit — Close a sheet of paper in the door and pull. If it slides out freely, the seal is not gripping and warm moist air is entering continuously.
- Body: The order below is set by the airflow path on this roster rather than by part cost. Cold is made behind the freezer liner and delivered forward, so every check moves along that path from the delivery end back towards the source.
Safety first
Safety
Unplug the appliance or switch off its breaker before removing any panel. A capacitor can hold a charge after the power is off. Move perishable food to a cooler with ice before starting, and keep the doors shut otherwise, because every opening costs cold air the cabinet cannot currently replace.
Models in the ABMG family — Every listing this page generalizes over. Check the number on your rating plate against it before ordering a part. A starred entry in the table is the same base number recorded a second way in the parts data; treat it as the same platform for this fault unless your own parts diagram says otherwise.
Reference| Model number | Family key |
|---|---|
| ABMG171E | arctic-wind:refrigerator:abmg |
| ABMG171E* | arctic-wind:refrigerator:abmg |
When this stops being an owner job
Call if a manual defrost restores cooling for a day and the fault then returns, because that confirms the defrost side is failing and the parts for it sit behind the liner. Call urgently if food has been above its safe temperature for an extended period, and discard anything that has been, rather than refreezing it.
Other pages for this family
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