Measurement of service currents......................................... 180
Restoring.............................................................................. 181
Section 12 Troubleshooting............................................................183
Checking the self supervision signals.............................................183
Checking the self supervision function...................................... 183
Determine the cause of an internal failure............................183
Self supervision HMI data..........................................................183
General IED status............................................................... 183
Fault tracing....................................................................................184
Internal fault indications.............................................................184
Using front-connected PC......................................................... 185
Diagnosing the IED status via the LHMI hint menu................... 186
Repair instruction............................................................................188
Repair support................................................................................ 189
Maintenance................................................................................... 189
Section 13 Glossary....................................................................... 191
Table of contents
8 Line distance protection REL650 2.2 IEC
Commissioning manual
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