请3070高手帮忙，谢谢！！ 高手, 帮忙

各位大虾好！我是刚刚学3070的！最近我在测试电路板时常常在最后的BIST测试中失败！不知道是什么原因！小弟苦思了好长一段时间不得其解！请大虾们帮忙解释！
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4:bist has failed
vector near 1
status: 1041H
software timeout occurred and forced
the sequencer to stop
Clocks were on when stopped
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board 4 failed to run BIST test
board 4 Haved got more than 2 comp failed

Data is 31
4:power_u460 has failed
subtest:u460pin17_vrt-vrb_pin16

Measured: -86.764m
high limit:1.3500
low limit:1.1500
direct current volts
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board not fully tested.
以上就是小弟在工作过程中遇到的问题！其中有些语句意思不明白，想请大家帮住分析，找出问题的所在！不甚感激！