PowerLab Teaching Series - Owner’s Guide
46
Troubleshooting
This section describes most of the common problems that can occur when using your Power-
Lab unit. It covers how these problems are caused and what you can do to alleviate them. If
the solutions here do not work, earlier chapters or your software guide may contain possible
remedies. If none of the solutions here or elsewhere appears to help, then consult your ADIn-
struments distributor.
Most of the problems that users encoutner are connection problems and can usually be fixed
by checking connections and starting up the hardware and software again. Very rarely will
there be a problem with the PowerLab itself.
Problems
The Power Indicator light is o , even though the Power cable is plugged into the mains
and is turned on
This may be because a fuse has blown.
• However, first check and see if the switch on the Rear panel has been turned on. If not,
turn it on and then check if the Power indicator light turns on.
• If it doesn't, inspect the replaceable fuses and replace if necessary. Refer to section
'Checking and replacing fuses' in Chapter 2. If this still doesn't fix the problem, contact
your local technical support office.
The fuse drawer may have been dislodged in handling or transport. Ensure it is seated cor-
rectly by pushing firmly against it with a finger.
The Status indicators fail to light up when the so ware is started, or the device commands
do not appear where they should
The I2C cable or one or more BNC-to-BNC cables from the front-end to the PowerLab are not
connected, have been connected incorrectly (to the wrong input or output, for instance), or are
loose.
• Turn everything off. Check to see that all cables are firmly seated and screwed in. BNC
cables from the front end must be connected to a positive input on the PowerLab. Make
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