3 - mitsubishi Air Conditioner

中文

含义

故障码 3 为室外盘管温度传感器故障。检测室外冷凝器盘管温度。

常见原因

1. 室外盘管传感器老化
2. 室外环境下连接线老化
3. 插头进水氧化

自助排查

1. 检查室外盘管传感器
2. 测量阻值
3. 更换传感器

English

Meaning

Code 3: Outdoor coil temperature sensor fault. Detects condenser coil temperature.

Common Causes

1. Outdoor coil sensor aging
2. Wire aged in outdoor environment
3. Connector water ingress

Self-Check Steps

1. Check outdoor coil sensor
2. Measure resistance
3. Replace sensor