Dear Wang
    晚上好！
    一般情况下，用灌胶的方式做防水封装的可靠性是比较安全的，可用加速环境实验 来模拟验证。以及供应商密封胶的工作温度范围、涂覆方式方法要求、保管条件及变质
（不同价格的品质差异大，不能单纯强调低成本）
    请问，你们的初步判断依据是什么？
    请确认关注过室外机的设计合理性、加工可靠性？室外机箱的IP代码等级是？
是否符合IEC规定？

Best regards,

Wellington Li   李永江
Assessor 
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-----邮件原件-----
发件人: TGAsia [mailto:[log in to unmask]] 代表 Dazhi Wang
发送时间: 2011年11月7日 13:59
收件人: [log in to unmask]
主题: [TGAsia]




请教各位：

        直流变频3级能效空调在阴雨高湿环境下，首次开机报通讯故障，从而导致内
外板之间无法通讯。
故障描述：只能发射信号但接收不到内板的通讯信号，输出信号为低电平，室内机接
收到的室外发的
通信信号存在畸变，连续4分钟后，报出室内外通信故障。初步分析原因为控制板上保
护涂层失效，使
控制板上存在漏电流，以致信号变弱。
         现请教电脑控制板涂覆层（例如灌封胶、1501硅胶、UV胶等）的检测标
准，迅速有效，谢谢！








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