格力变频柜机故障显示
                                    E1  压机电流大，压机感温包（过热保护）开路

                                    E2  防冻结保护（内管温）

                                    E3  内传感器短开路

                                    E4  蒸发器管温开、短路

                                    E5  通讯失败（N、L）不能接反）
                                    二 普通柜机
                                    E1 压机高压保护

                                    E2 内冻结保护

                                    E3 压机低压保护

                                    E4 排气温度保护（相序保护）

                                    E5 过欠压保护，低电压保护（同时按“扫风键，风速键”，进入自检）