SOS-和/或On Call-开关和电话模块(PHM)之间的导线开路。 80%
SOS-和/或On Call-开关和电话模块(PHM)之间的导线对电压短路 20%
https://qc.dianpusou.com/tag/225%e8%bd%ae%e8%83%8e%e6%b0%94%e5%8e%8b%e5%a4%9a%e5%b0%91%e5%90%88%e9%80%82
SOS-和/或On Call-开关和电话模块(PHM)之间的导线开路。 80%
SOS-和/或On Call-开关和电话模块(PHM)之间的导线对电压短路 20%
https://qc.dianpusou.com/tag/225%e8%bd%ae%e8%83%8e%e6%b0%94%e5%8e%8b%e5%a4%9a%e5%b0%91%e5%90%88%e9%80%82