Preparation...........................................................................272Recording............................................................................. 273Secondary injection.............................................................. 273Alarm test............................................................................. 273Self supervision check..........................................................273Trip circuit check.................................................................. 273Measurement of service currents......................................... 274Restoring.............................................................................. 275Section 16 Troubleshooting............................................................277Checking the self supervision signals.............................................277Checking the self supervision function...................................... 277Determine the cause of an internal failure............................277Self supervision HMI data..........................................................277General IED status............................................................... 277Fault tracing....................................................................................278Internal fault indications.............................................................278Using front-connected PC......................................................... 279Diagnosing the IED status via the LHMI hint menu................... 281Repair instruction............................................................................283Repair support................................................................................ 284Maintenance................................................................................... 284Section 17 Glossary....................................................................... 285Table of contents10 Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062Commissioning manual
