Sevcon Control System Troubleshooting - Taylor-Dunn B0-254-48 Operation, T Roubleshooting And Replacement Parts Manual

Rev. S

Sevcon Control System Troubleshooting

Includes Power Pak and Micro Pak controllers
TABLE OF CONTENTS
Test Equipment Required: ...................... 2
Definitions: ............................................ 2
Terminology used: .................................. 2
Important Notes and Instructions ........... 2
Identifying Your Controller ..................... 3
Start Troubleshooting Here .................... 4
Test 8. Anti-Rolloff Fault ........................ 15
Test 9. Electric Motor Brake .................. 16
Logic Voltage Reference Table ............... 18
Status LED Code Table .......................... 19
Smart View Fault Codes ......................... 20
Turn the Key switch OFF BEFORE disconnecting the batteries.
Disconnecting the batteries with the key switch ON may corrupt the
controller programming resulting in a fault code 1 (refer to fault table).
This troubleshooting guide is written in sequential order. All tests
must be performed in the order that they are written. Starting in the
middle or skipping sections when not instructed to do so may lead to
invalid test results.