故障代码:

| LED(发光二极管)组 | 故障内容 | ||||
| ● | ● | ● | ● | ● | 压缩机或对应电磁膨胀阀关闭 |
| ○ | ● | ● | ● | ● | 双机运行制冷剂分配状态 |
| ○ | ○ | ● | ● | ● | 双机运行制冷剂分配状态 |
| ○ | ○ | ○ | ● | ● | 双机运行制冷剂分配状态 |
| ○ | ○ | ○ | ○ | ● | 双机运行制冷剂分配状态 |
| ○ | ○ | ○ | ○ | ○ | 双机或单机最大制冷剂分配状态 |
| ○ | ● | ● | ● | ○ | 通信出错指示 |
| ● | ○ | ○ | ○ | ● | 数据传送指示 |
| ● | ● | ○ | ● | ● | 除霜指示 |
| ● | ● | ● | ● | ○ | 压力过高保护 |
| ● | ● | ● | ○ | ○ | 压缩机过电流保护 |
故障代码:

| LED(发光二极管)组 | 故障内容 | ||||
| ● | ● | ● | ● | ● | 压缩机或对应电磁膨胀阀关闭 |
| ○ | ● | ● | ● | ● | 双机运行制冷剂分配状态 |
| ○ | ○ | ● | ● | ● | 双机运行制冷剂分配状态 |
| ○ | ○ | ○ | ● | ● | 双机运行制冷剂分配状态 |
| ○ | ○ | ○ | ○ | ● | 双机运行制冷剂分配状态 |
| ○ | ○ | ○ | ○ | ○ | 双机或单机最大制冷剂分配状态 |
| ○ | ● | ● | ● | ○ | 通信出错指示 |
| ● | ○ | ○ | ○ | ● | 数据传送指示 |
| ● | ● | ○ | ● | ● | 除霜指示 |
| ● | ● | ● | ● | ○ | 压力过高保护 |
| ● | ● | ● | ○ | ○ | 压缩机过电流保护 |