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Appendix C Error Codes and Solutions
NI-488.2 User Manual C-8 ni.com
EFSO (12)
EFSO results when an ibrdf or ibwrtf call encounters a problem
performing a file operation. Specifically, this error indicates that the
function is unable to open, create, seek, write, or close the file being
accessed.
Solutions
Possible solutions for this error are as follows:
• Make sure the filename, path, and drive that you specified are correct.
• Make sure that the access mode of the file is correct.
• Make sure there is enough room on the disk to hold the file.
EBUS (14)
EBUS results when certain GPIB bus errors occur during device functions.
All device functions send command bytes to perform addressing and other
bus management. Devices are expected to accept these command bytes
within the time limit specified by the default configuration or the
ibtmo
function. EBUS results if a timeout occurred while sending these
command bytes.
EBUS can occur if there are no functioning devices present on the GPIB.
Solutions
Possible solutions for this error are as follows:
• Verify that the instrument is operating correctly.
• Check your cable connections and make sure at least two-thirds of
your devices are powered on.
• If the timeout period is too short for the driver to send command bytes,
increase the timeout period.