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Appendix C Error Codes and Solutions
NI-488.2 User Manual C-12 ni.com
Solutions
Do not call ibonl with ibwait calls still pending in the driver.
Prevent other applications from calling
ibonl by locking the interface
with
iblck.
EPWR (28)
EPWR results when an interface loses power. This often results when the
system goes to and returns from a standby state.
Solutions
Take all handles offline and reinitialize the application.
Quit the application and restart.
Disable standby and hibernate modes on the PC.