Schweitzer Engineering Laboratories SEL-351R - Table of Contents

Date Code 20020215 Testing and Troubleshooting i
SEL-351R Instruction Manual
TABLE OF CONTENTS
SECTION 13: TESTING AND TROUBLESHOOTING ......................... 13-1
Introduction................................................................................................................................ 13-1
Testing Philosophy..................................................................................................................... 13-1
Acceptance Testing ............................................................................................................ 13-1
Commissioning Testing ..................................................................................................... 13-1
Maintenance Testing .......................................................................................................... 13-2
Testing Methods and Tools........................................................................................................ 13-3
Test Features Provided by the SEL-351R.......................................................................... 13-3
Test Methods...................................................................................................................... 13-4
Testing Via Front-Panel Indicators ............................................................................ 13-4
Testing Via Output Contacts ...................................................................................... 13-4
Testing Via Sequential Events Recorder.................................................................... 13-5
SEL-351R Self-Tests ................................................................................................................. 13-5
SEL-351R Troubleshooting ....................................................................................................... 13-8
Inspection Procedure.......................................................................................................... 13-8
Troubleshooting Procedure ................................................................................................ 13-8
All Front-Panel LEDs Dark........................................................................................ 13-8
Cannot See Characters on LCD Screen...................................................................... 13-9
SEL-351R Does Not Respond to Commands From Device Connected to Serial
Port...................................................................................................................... 13-9
SEL-351R Does Not Respond to Faults..................................................................... 13-9
Calibration.................................................................................................................................. 13-9
Factory Assistance ..................................................................................................................... 13-9
TABLES
Table 13.1: SEL-351R Recloser Control Self-Tests............................................................................. 13-5