中文
含义
E2 为室内盘管温度传感器故障（管温传感器）。检测蒸发器盘管温度，用于防冻结及制热控制。
常见原因
- 盘管传感器热敏电阻损坏
- 传感器插头松动
- 连接线断裂
- 传感器受潮
自助排查
- 拆卸面板检查盘管传感器
- 测量传感器阻值
- 更换异常传感器
English
Meaning
Indoor coil temperature sensor fault. Detects evaporator coil temperature for anti-freeze and heating control.
Common Causes
- Coil thermistor damaged
- Sensor connector loose
- Wire broken
- Moisture ingress
Self-Check Steps
- Remove panel and check coil sensor
- Measure sensor resistance
- Replace abnormal sensor