- Agilent 82357A USB/GPIB Interface Converter User's Guide

46 Chapter 3
Troubleshooting the 82357A
Troubleshooting Flowchart
All LEDs ONRed FAIL LED ONAll LEDs OFF
After Doing These Checks:
y If the FAIL LED is the only
LED ON, go to Software
Installation Checks.
y If all three LEDs are ON, go
to Software Configuration
Checks.
y If all three LEDs are OFF,
contact Agilent.*
Verify Agilent IO Libraries
Installation
READY FAIL ACCESS READY FAIL ACCESS READY FAIL ACCESS
After Doing These Checks:
y If all three LEDs are ON,
go to Software
Configuration Checks.
y If the FAIL LED is the
only LED ON, contact
Agilent.*
After Doing These Checks:
y If all three LEDs are ON,
contact Agilent.*
START
Hardware Checks
Check Cables, USB
Interface, Host PC
Reboot PC
Verify Driver Installation
Check USB Scanner
Check IO Control
Operation
Check for usbscan.sys
(Windows 98 SE Only)
Check Device Manager
Typical Cause
No power on USB bus
or device turned off by
Windows Plug and Play
Manager.
Typical Cause
Agilent IO Libraries not
installed or 82357A USB
drivers not installed.
Software Installation
Checks
Software Configuration
Checks
Typical Cause
Improper Agilent IO
Libraries configuration
or missing usbscan.sys
(Windows 98 SE only)
Check Suspend/Resume
Operation
*For telephone and web assistance, see “Contacting Agilent” on page 56.