Measurement of service currents......................................... 180Restoring.............................................................................. 181Section 12 Troubleshooting............................................................183Checking the self supervision signals.............................................183Checking the self supervision function...................................... 183Determine the cause of an internal failure............................183Self supervision HMI data..........................................................183General IED status............................................................... 183Fault tracing....................................................................................184Internal fault indications.............................................................184Using front-connected PC......................................................... 185Diagnosing the IED status via the LHMI hint menu................... 186Repair instruction............................................................................188Repair support................................................................................ 189Maintenance................................................................................... 189Section 13 Glossary....................................................................... 191Table of contents8 Line distance protection REL650 2.2 IECCommissioning manual
