In such harsh environments, there are three common causes of encoder failure: 1) solid particulate or liquid contamination, 2) mechanical bearing overload, and 3) signal output failure.

• 在如此恶劣的环境中，造成编码器失效通常有3个因素：1）固体颗粒或液体污染，2）机械轴承过载，和3）信号输出故障。