User guide

PI DBox Installation Guide
Version 5.0 January 2012
Page 23
PI DBox
Troubleshooting and Diagnostics
LED Indicators
When installing the PI DBox, refer to on-board LED indicators for troubleshooting assistance.
LED layout is illustrated for Current Loop Style, Tokheim Style and RS485 Style PI DBoxes in
Diagram: Key Components of PI DBox under the manual section for each of these specific
styles.
Additional Troubleshooting Steps for Unsuccessful Communications
C Run one dispsenser only by isolating all the rest at the site.
C Recheck wires at dispenser junction box, as well as in the PI DBox
C On PI DBox models with power supply, make sure power is applied.
C Make sure console or controller is plugged into the correct connector on the front of the PI
DBox.
C Ensure that all configuration jumpers or switches are set correctly for the application.