E2      室内热敏电阻异常                  室内故障
   E3      热交热敏电阻异常                  室内故障
   E4      室外EEPROM故障                  室外控制板故障
   E5      IPM保护                          室外模块故障
   E6      AC电流过流保护或电流传感器坏      室外模块故障
   E7      CBD(室外控制板)与模块通讯故障  室外控制板故障
   E8      压机过温\压力过高保护              室外控制板故障
   E9      电源过压/欠压保护                  室外模块故障
   E10      压机堵转                          室外模块故障
   E11      吐出温度保护                      室外控制板故障
   E12      外风机异常保护                    室外控制板故障
   E13      室外除霜电阻异常                  室外控制板故障
   E14      室外吸气电阻异常                  室外控制板故障
   E15      室外环境电阻异常                  室外控制板故障
   E16      室外吐气电阻异常                  室外控制板故障
   E17      压机吸气过高                      室外控制板故障
   E18      内机、外机通讯异常               内外通讯故障
   E19      室内EEPROM异常                  室内故障
   E20      内风机异常                        室内故障
   E21      压机运行失步压机脱离位置          室外模块故障
   E22      位置检测回路故障                  室外模块故障
   E23      压机损坏                          室外模块故障
   E24      室内过负荷停机                   室内故障
   E25      室内防冰霜停机                    室内故障
   E26      室内TC不正常                    室内故障
   E27      压机振动过大                      室外模块故障
   压机启动异常                    室外模块故障