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The most common failure: the defrost timer stops advancing, locking the unit in cooling mode. Frost blankets the evaporator coils, blocking airflow to the fresh-food section — replacing the timer restores the defrost cycle.
When the timer motor fails to initiate defrost cycles, frost accumulates unchecked on the evaporator coils, restricting airflow and forcing the compressor to overwork.
A stuck timer can hold the compressor in a permanent run state, causing it to never cycle off. This wastes energy and can shorten compressor life.
If the timer is stuck in defrost mode, the compressor will not restart. Interior lights and fans may still work, but the cooling system stays inactive until the timer advances.
💡 Pro Tip: Is Your Defrost Timer the Problem?
Your part is likely the culprit if you notice any of the following:
⚠️ Freezer is cold but the fresh-food compartment is warm
⚠️ Heavy frost or ice buildup coating the evaporator coils
⚠️ Refrigerator runs continuously without cycling off
⚠️ Interior lights work but compressor will not run
🔍 Quick field test: Insert a flat-blade screwdriver into the timer's advance slot and turn clockwise. If the compressor shuts off and the defrost heater comes on, the timer motor has failed and this part is your fix.
📦 What's in the Box
✅ 1× Defrost Timer 241705102 (120VAC / 60Hz / 4-Terminal / White)
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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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