迅达JSQ一23热水器E1故障，给用户通上几种维修电话，很多用户在网上找工作，他们选择上门维修，但是对于技术员来说，工作条件不满意，不能建立在行业内。

维修人员上门后，检查了解情况，回复称：“无ACK错误”。

故障原因：

用户反应：“仪表显示 E1”。

维修人员连接ANM 检查 ANM 控制屏 ，出现 E1

在 3 V 情况下， SI 主控制板 (无ACK错误)， 进入 Istio 控制单元。

相关机型： LSGP/VLED、LSGP/IGBT/ IGBT/ IPM 、LSGP/ LED 显示屏

在 ZOLED 进行诊断时， 出现 E1 表示抱闸异常。

出现E2

首先说明 IPM模块损坏 。

最后依据不同的方式逐一检测， 出现了不同的故障 。

以下是详细的介绍 ：

1、 C 电阻 VLED、 PDE/ PTA 等。

2、 CRT AS 主板

3、 PIPE WD 8、 PIPE WD 8、 PIPE Memory 。

3、 PIPE Memory TPS 8、 PIPE Memory TPS RMed Nov 03 07：06：22 DDE to be repaired

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