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The cold control thermostat fails to close the circuit, preventing the compressor from running and causing the fridge or freezer compartment temperature to rise above safe levels.
A stuck-closed thermostat keeps the compressor running non-stop, over-cooling the fresh-food section and freezing produce or drinks stored in the refrigerator compartment.
An open or failed thermostat switch breaks the control circuit entirely, so the compressor never receives a signal to start and the entire cooling system remains inactive.
A thermostat that cannot open at the set-point temperature leaves the compressor energized indefinitely, driving up energy bills and wearing out the compressor prematurely.
Worn internal contacts cause intermittent switching — the compressor cycles on and off erratically, producing unpredictable temperatures that spoil food over time.
💡 Pro Tip: How to Tell If Your Cold Control Thermostat Has Failed
Your part is likely the culprit if you notice any of the following:
⚠️ Refrigerator or freezer compartment is too warm even at the coldest setting
⚠️ Fridge runs too cold, freezing food in the fresh-food section
⚠️ Compressor never kicks on or runs continuously without cycling off
⚠️ Cooling system will not start at all after the dial is turned on
🔍 Quick bench test: Remove the thermostat and submerge the capillary tube tip in ice water for 2–3 minutes, then check for continuity with a multimeter. A good thermostat should show continuity (closed circuit) when cold. No continuity in cold = failed thermostat. Also confirm the dial shaft rotates smoothly through its full range; a sticky or sloppy shaft often means the internal switch contacts are worn.
📦 What's in the Box
✅ 1× Refrigerator Cold Control Thermostat Assembly (3"L × 2-1/2"W × 1"H, ~38" capillary tube, 125/250V AC)
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Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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