
Problem Determination Quick Reference iii
Table of Contents
594 Problem Determination.................................................. 1
How to Use This Book .......................................................... 1
Front View of the 594............................................................ 2
Operator Panel LEDs ........................................................... 3
Keypad ................................................................................. 4
Normal Power-On Display Sequence................................... 5
LED Interpretation Table ...................................................... 6
Codes Displayed on the Operator Panel LCD ...................... 8
Top Line Format - Compatible mode.............................. 8
Top Line Format - Enhanced Mode................................ 8
Bottom line Format ........................................................ 9
Message Code Groupings.................................................. 10
Message Codes.................................................................. 11
SRCs .................................................................................. 20
Online Status Information ................................................... 27
594 in compatible mode (Perle 594e only).................. 27
Enhanced Mode........................................................... 28
Summary of Concurrent Request Codes............................ 30