NI Digital Multimeters Getting Started Guide
34
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(NI PCI-4070)
1.
Remove all front panel connections from the NI PCI-4070.
2.
Power down the chassis, and remove the device.
3.
Hold the NI PCI-4070 at the angle shown in Figure 31, and locate the fuse holder.
Figure 31.
Locating the Fuse on the NI PCI-4070
4.
Insert a screwdriver into the slot on the fuse holder.
5.
Turn counterclockwise.
6.
Pull out the fuse holder, and remove the 5
×
20 mm fuse.
7.
Verify the fuse is blown by measuring discontinuity across the fuse using another meter.
8.
Insert a new fuse into the holder, and slide the holder back into place.
9.
Turn the fuse holder clockwise until it snaps shut.
NI CSM-10A/200mA
To replace the fuse, complete the following steps.
1.
Power down all equipment connected to the current shunt module (CSM).
2.
Remove all connections from the CSM.
3.
Turn the fuse holder counter-clockwise with a flathead screwdriver and pull the fuse holder out to
expose the fuse in the housing.
1
Fuse Holder
1
