| 适用机器型号 | 故障类型 | 故障显示方式 | |||||
| 运行 | 制热 | 制冷 | 室内 | 室外 | 可恢复 | ||
| KFR-50LW/V(BPZXF) | 室内温度传感器故障 | F1 | - | - | - | - | |
| KFR-60LW/V(BPZXF) | 室内热交传感器故障 | F2 | - | - | - | - | |
| KFR-68LW/V(BPZXF) | 室内制热过载 | F4 | - | - | - | - | |
| KFR-58LW/K(BPQYF) | 室内制冷结冻 | F5 | - | - | - | - | |
| KFR-68LW/K(BPQYF) | 面板内机通讯故障 | F7 | - | - | - | - | |
| KFR-48LW/K(BPF) | 模块故障 | E1 | - | - | - | - | |
| KFR-48LW/K(BPXF) | 无负载 | E2 | - | - | - | - | |
| KFR-58LW/K(BPF) | 内、外机通讯故障 | E3 | - | - | - | - | |
| KFR-58LW/K(BPXF) | 压缩机过热 | E4 | - | - | - | ||
| KFR-68LW/K(BPF) | 总电流过流 | E5 | - | - | - | - | |
| KFR-68LW/K(BPXF) | 环温传感器故障 | E6 | - | - | - | - | |
| KFR-52LW/M(BPJXF) | 热交传感器故障 | E7 | - | 不通 | - | - | |
| KFR-58LW/M(BPJXF) | 单片机ROM坏 | E8 | - | - | - | - | |
| KFR-68LW/M(BPJXF) | 电源过压、欠压保护 | EA | - | - | - | - | |
| KFR-60LW/V（BPZXF） | 室外制冷过载 | EC | - | - | - | - | |
| KFR-52LW/N(BPJXF) | EEPROM错 | EE | - | - | - | - | |
| KFR-58LW/N(BPJXF) | 压力保护 | ED | - | - | - | - | |
| KFR-50LW/@(BPJXF) | 外回气传感器故障 | EB | - | - | - | - | |
| - | 压缩机传感器异常 | E9 | - | - | - | ||
| - | 加湿缺水 | F8 | - | - | - | - | |