BOSCH B36CT80SN Freezing Up Not Cooling
| CONF | DIAGNOSIS | ACTION |
|---|---|---|
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93%
CONF
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Defrost Thermistor (NTC Sensor)
This sensor monitors the temperature of the evaporator coils to determine when the frost has been successfully melted during a defrost cycle. If the sensor's resistance drifts, the control board fails to initiate or sustain the defrost sequence, allowing frost to accumulate into solid ice. This ice acts as a thermal insulator, preventing the refrigerant from absorbing heat from the refrigerator cabin.
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VIEW ON AMAZON
#CommissionsEarned
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4%
CONF
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Evaporator Defrost Heater
The defrost heater is the resistive element responsible for converting electrical energy into thermal energy to melt frost from the evaporator fins. If the element suffers a continuity failure (open circuit), the frost generated during normal cooling cycles is never removed. This leads to a total blockage of the evaporator airflow channels, resulting in high internal temperatures despite the compressor running.
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VIEW ON AMAZON
#CommissionsEarned
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3%
CONF
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Evaporator Fan Motor
The fan motor facilitates forced convection, moving air across the evaporator coils and into the food compartments. If the motor fails due to moisture ingress or mechanical seizing, the lack of airflow causes moisture to accumulate and freeze rapidly on the coils. Without active air movement, the cooling capacity is lost even if the refrigeration system is technically functional.
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#CommissionsEarned
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DIY Repair Guide
Watch exactly how to replace the Defrost Thermistor (NTC Sensor).
// NOTICE:
This report is generated by an Agentic AI Engineer utilizing probabilistic modeling.
PartSniper is an automated parts recommender service. AI-generated results may not be correct. This data is not a substitute for professional engineering advice or manual inspection. Always verify part compatibility and disconnect power before any repair. PartSniper is not liable for inaccuracies, injury, or damage.