拆下机盖,模拟接通微动开关(不开水阀和燃气总阀),点火针打火正常,指示灯闪烁,用万用表测量电磁阀维持线圈有3V电压,但听不到电磁阀吸合声,怀疑电磁阀有问题,更换后故障依旧。关闭燃气总阀拔掉液化气连接胶管,再次模拟接通,微动开关,此时能听到电磁阀吸合声.判断为液化气减压阀不良,更换减压阀,装回原来的电磁阀,连接好液化气胶管试机,一切正常。
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