ABB RET670 - Page 15

Master Follower (MF) method..............................................210
Completing the test..............................................................212
Section 15
Commissioning and maintenance of the fault
clearing system............................................................213
Installation and commissioning.......................................................213
Commissioning tests......................................................................214
Periodic maintenance tests............................................................214
Visual inspection........................................................................215
Maintenance tests.....................................................................215
Preparation...........................................................................216
Recording.............................................................................216
Secondary injection..............................................................216
Alarm test.............................................................................216
Self supervision check..........................................................216
Trip circuit check..................................................................217
Measurement of service currents.........................................217
Restoring..............................................................................218
Section 16 Fault tracing and repair................................................219
Fault tracing....................................................................................219
Information on the local HMI......................................................219
Using front-connected PC or SMS............................................220
Repair instruction............................................................................222
Repair support................................................................................223
Maintenance...................................................................................223
Section 17 Glossary.......................................................................225
Table of contents
9
Installation and commissioning manual