塑料薄膜包装机，远红外线热收缩包装机的故障及维修

收缩室内无加热现象：1电源未接通或开关未合上                                1 接通或合上 
                                    2加热开关接触不良                                          2 更换 
                                    3电热管损坏或内部线路烧断                             3更换或停机维修 
                                    4交流接触器或温控表损坏                                4更换 
                                    5固态调压器损坏                                             5更换 
                                    6电线老化引起断路                                          6维修、更换 
                                    7温度调节旋钮处于***低位置                             7调整 


收缩室温度过低：        1电热管局部损坏                                              1更换 
                                    2固态高压器局部损坏                                       2更换 
                                    3加热旋钮或温控表设定值太低                          3重新设定 
                                    4三相电源其中有一相开路                                4检查、维修 

输送电机停转：           1电机开关或电子线路板损坏                             1更换 
                                    2调速电位器损坏                                             2更换 
                                    3电机损坏                                                       3更换 
                                    4电线老化引起断路                                          4维修、更换 
                                    5机械传动部分卡死                                          5调整、维修 

风机电机不转：           1风机开关损坏                                                1更换 
                                    2风机电机损坏                                                2更换 
                                    3电线老化造成断路                                          3维修、更换 

冷却风机烧毁：            1三相电源缺一相                                            1检查、维修、更换 

突然停机：                  1电源松脱或***熔断                                      1检查电源或更换