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Problem Isolation
7-3
Identifying Symptoms and Possible Causes
Use the troubleshooting information in Table 7-1 to try to isolate the
problem. Table 7-1 lists general symptoms and possible solutions for
problems with DAS-1800HC Series boards.
Table 7-1. Troubleshooting Information
Symptom
Possible Cause
Possible Solution
Board does not respond
Base address is incorrect or not
consistent with what the program
is addressing.
Check the base-address-switch
setting on the board against the
setting shown in the configuration
utility. If the base address is set
correctly, make sure no other
computer device is using any of
the I/O locations beginning at the
specified base address. If
necessary, reconfigure the base
address. Refer to page 3-5 for
instructions on setting the base
address.
The interrupt level is incorrect or
not consistent with what the
program is addressing.
Make sure no other device is
using the interrupt level specified
in your program. If necessary,
reset the interrupt level.
The board configuration is
incorrect.
Check the remaining settings in
the configuration file.
The board is incorrectly aligned
in the accessory slot.
Check the board seating.
The board is damaged.
Contact Keithley Technical
Support; see page 7-6.
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