ABB REQ650 Commissioning Manual page 12

Table of contents
6
Verifying the settings............................................................ 115
Completing the test.............................................................. 115
Exit test mode.................................................................................115
Section 10 Commissioning and maintenance of the fault
clearing system............................................................ 117
Commissioning tests...................................................................... 117
Periodic maintenance tests............................................................ 117
Visual inspection........................................................................118
Maintenance tests..................................................................... 118
Preparation...........................................................................118
Recording............................................................................. 119
Secondary injection.............................................................. 119
Alarm test............................................................................. 119
Self supervision check..........................................................119
Trip circuit check.................................................................. 119
Measurement of service currents......................................... 120
Restoring.............................................................................. 121
Section 11 Troubleshooting............................................................123
Checking the self supervision signals.............................................123
Checking the self supervision function...................................... 123
Determine the cause of an internal failure............................123
Self supervision HMI data..........................................................123
General IED status............................................................... 123
Fault tracing....................................................................................124
Internal fault indications.............................................................124
Using front-connected PC......................................................... 125
Diagnosing the IED status via the LHMI hint menu................... 126
Repair instruction............................................................................128
Repair support................................................................................ 129
Maintenance................................................................................... 129
Section 12 Glossary....................................................................... 131
Breaker protection REQ650 2.2 IEC
Commissioning manual