ELVIS的DMM模块的问题

里面的DMM模块,测电压一打开软件就报错,怎么回事,测电流部分没问题
错误是:
Error -200082 occurred at Property Node DAQmx Timing (arg 1) in ELVIS DMM
- Acquire Waveforms.vi->NI ELVIS DMM - Read.vi->ELVIS - Digital Multimeter
.vi
Possible reason(s):
Minimum is greater than or equal to the maximum.
Property: AI.Min
Corresponding Value: NaN
Property: AI.Max
Corresponding Value: NaN
Channel Name: Dev1/ai7

召唤猫熊

呼唤不够大声，听不见
俺木用过ELVIS，不会用。。。。

暗暗啊嗷嗷啊,不会是坏了吧...