Hello, I've got an SCXI-1001 that has recently stopped working. Last good test was in late December, no changes have been made to the system since then. When I turn the chasis on, the computer will only detect the modules for a few seconds, (that is, Auto-Detect will correctly detect the modules). After a few seconds, the chassis no longer recognizes the modules (Auto-Detect reports no modules present, not even the communicator in slot 1). My configuration is as follows:Chassis: SCXI-1001 Mod1: SCXI-1600 Mod2: SCXI-1520 w/ SCXI-1314 Mod3: SCXI-1520 w/ SCXI-1314 Mod4: SCXI-1520 w/ SCXI-1314 Mod5: SCXI-1520 Mod6: SCXI-1520 Mod7: SCXI-1521B Mod8: SCXI-1521B Mod9: SCXI-1102 I have tried the following: -Disconnect power, power back on-system OK for a few seconds, then fails to recognize anything -Swap out USB cable connecting the 1600 to the PC-no change in problem -Check fuses (two by power cable)-both OK -Disconnect all accessory cards (the 1314's)-no change in problem -Reset chassis-reset failed -Reset configuration-no change in problem I've attached the ni_support.zip file if that might be of help.

Multifunction DAQ

Thanks for this info:

So, yes the fuses are fie and the issue is definitely with the SCXI 1520.

I am wondering if anyone knows which components are the ones to be looking at. I am sure that someone at NI does have this info.

Mark

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