p style="line-height: 3em;">span style="font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);">1. 电流电压显示正确，功率显示异常/span>br style="white-space: normal; content: " "; display: block; margin: 8px 0px; font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);"/>p style="line-height: 3em;">span style="font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);">故障原因判断：电压或电流接线问题；/span>br style="white-space: normal; content: " "; display: block; margin: 8px 0px; font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);"/>p style="line-height: 3em;">span style="font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);">解决方法：仔细检查电压或电流接线是否存在相间互换、反接的现象。/span>br style="white-space: normal; content: " "; display: block; margin: 8px 0px; font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);"/>br style="white-space: normal; content: " "; display: block; margin: 8px 0px; font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);"/>p style="line-height: 3em;">span style="font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);">2. 电度数计量与实际值误差较大或根本不计量/span>br style="white-space: normal; content: " "; display: block; margin: 8px 0px; font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);"/>p style="line-height: 3em;">span style="font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);">故障原因判断：接线错误；/span>br style="white-space: normal; content: " "; display: block; margin: 8px 0px; font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);"/>p style="line-height: 3em;">span style="font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);">解决方法：查看电压、电流的接线是否存在方向错误或A、B、C三相不对应的情况（例如：A相电压对应的是B相的电流）。/span>br style="white-space: normal; content: " "; display: block; margin: 8px 0px; font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);"/>br style="white-space: normal; content: " "; display: block; margin: 8px 0px; font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);"/>p style="line-height: 3em;">span style="font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);">3. 电度不记忆/span>br style="white-space: normal; content: " "; display: block; margin: 8px 0px; font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);"/>p style="line-height: 3em;">span style="font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);">故障原因判断：上电时间太短，小于电度保存小间隔；/span>br style="white-space: normal; content: " "; display: block; margin: 8px 0px; font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);"/>p style="line-height: 3em;">span style="font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);">解决方法：EV/DV100系列上电稳定保持时间不少于400秒，其他系列上电稳定保持时间不少于2秒。/span>br style="white-space: normal; content: " "; display: block; margin: 8px 0px; font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);"/>br style="white-space: normal; content: " "; display: block; margin: 8px 0px; font-family: &/hyyy/#39;Microsoft YaHei&/hyyy/#39;, 宋体, sans-serif; font-size: large; line-height: 26px; background-color: rgb(255, 255, 255);"/>