中文
含义
故障码 1 为室内温度传感器故障。室温热敏电阻检测室内温度，传感器异常导致控温不准。
常见原因
- 传感器热敏电阻老化
- 传感器连接线接触不良
- 传感器受潮
自助排查
- 测量传感器阻值（5-10kΩ 常温）
- 更换异常传感器
- 联系三菱电机售后
English
Meaning
Code 1: Room temperature sensor fault. The room thermistor detects indoor temperature; abnormal readings affect climate control.
Common Causes
- Thermistor aging
- Sensor wire loose
- Moisture ingress
Self-Check Steps
- Measure resistance (5-10kΩ at room temp)
- Replace abnormal sensor
- Contact Mitsubishi service