A poor contact causes power to fail occasionally.
接触不良有时会造成断电。
Check whether the cathode poor contact, timely adjust.
检查阴极是否接触不良，适时调整。
The reason is that T10C has not been reset, and that the depth interface in T10C box and matrix switches have poor contact.
其原因可能是T10C未复位，矩阵开关和T10C小盒中的深度接口接触不良。
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