7E - 三星 洗衣机

中文

含义

7E表示洗衣机冷凝器温度传感器（NTC热敏电阻）出现故障。该传感器用于带烘干功能的洗衣机，安装在冷凝器（热交换器）上，监测烘干过程中的温度。

常见原因

1. 冷凝器NTC热敏电阻开路或短路。
2. 传感器连接器在高温环境下氧化，接触不良。
3. 传感器安装位置松动，未与冷凝器翅片紧密接触。
4. 传感器线束在长期高温下绝缘老化龟裂。
5. 冷凝器风道堵塞导致温度异常，间接触发传感器报警。

自助排查

1. 拔掉电源插头，找到冷凝器上的温度传感器（位于烘干风道内）。
2. 拔下连接器，用万用表测量传感器阻值并与标准值对照。
3. 检查传感器是否牢固安装在冷凝器上。
4. 检查冷凝器风道是否有绒毛积聚堵塞，清理风道。
5. 如果传感器损坏，需更换同规格NTC传感器，联系售后。

English

Meaning

7E indicates a fault with the condenser temperature sensor (NTC thermistor) on washers with drying functionality. This sensor is mounted on the condenser (heat exchanger) to monitor drying cycle temperature.

Common Causes

1. Open or short circuit of the condenser NTC thermistor.
2. Oxidized connector contacts due to high-temperature environment.
3. Loose sensor mounting — not making firm contact with the condenser fins.
4. Aged and cracked sensor wiring insulation from prolonged heat exposure.
5. Blocked condenser air duct causing abnormal temperatures that trigger a sensor alarm.

Self-Check Steps

1. Unplug the washer. Locate the temperature sensor on the condenser (inside the drying air duct).
2. Disconnect and measure sensor resistance with a multimeter — compare to the standard value chart.
3. Check that the sensor is firmly attached to the condenser.
4. Inspect the condenser air duct for lint buildup and clean if necessary.
5. Replace the sensor if readings are out of spec — contact Samsung.