Troubleshooting Guide - Linear Technology DC1427A Quick Start Manual

QUICK START GUIDE FOR DEMONSTRATION CIRCUIT DC1427A

TROUBLESHOOTING GUIDE

Problem Problem: : : : DC1427A is plugged in, but LT Powerplay screen still says "USB Serial Controller Not Con-
Problem Problem
nected"
The most likely cause is improper installation of the USB drivers, which causes Windows to
Solution: : : :
recognize DC1427A as an "Unknown Device." Open the Windows Control Panel, open "System" and
click the "Device manager" tab. Open the "Other Devices" item and look for USB SERIAL
CONTROLLER. Select this item and click the remove button. Unplug DC1427, Re-install the LT Power-
play software, and follow the on-screen instructions.
Demo board software loads properly, but will not run or gives "Device Not accessible" errors.
Problem Problem Problem Problem: : : :
Verify that the demo board is properly powered up. This Quick Start Guide lists the basic
Solution:
power connections to DC1427. Some demo boards may have additional requirements; refer to the demo
board's Quick Start
I2C/SMBUS/PMBUS CONTROLLER
guide for details.
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