Indicated result Possible reason Proposed actionADC-module OK No problem detected. None.ADC-module Fail The AD conversionmodule has failed.Contact your ABB representative for service.(Protocol name) Ready No problem detected. None.(Protocol name) Fail Protocol has failed.(I/O module name)ReadyNo problem detected. None.(I/O module name) Fail I/O modules has failed. Check that the I/O module has beenconfigured and connected to the IOP1-block.If the problem persists, contact your ABBrepresentative for service.12.2 Fault tracing IP8765-1 v112.2.1 Internal fault indications M11763-2 v5If an internal fault has occurred, the local HMI displays information under Mainmenu/Diagnostics/IED status/GeneralUnder the Diagnostics menus, indications of a possible internal failure (seriousfault) or internal warning (minor problem) are listed.Indications regarding the faulty unit are outlined in table 21.Table 21:Self-supervision signals on the local HMIHMI Signal Name: Status DescriptionINT Fail OFF / ON This signal will be active if one or moreof the following internal signals areactive; INT--LMDERROR, INT--WATCHDOG, INT--APPERROR, INT--RTEERROR, or any of the HWdependent signalsINT Warning OFF / ON This signal will be active if one or moreof the following internal signals areactive; INT--RTCERROR, INT--IEC61850ERROR, INT--TIMESYNCHERRORADMnn READY / FAIL Analog input module n failed. Signalactivation will reset the IEDBIMnn READY / FAIL BIM error. Binary input module Errorstatus. Signal activation will reset theIEDBOMn READY / FAIL BOM error. Binary output module Errorstatus.IOMn READY / FAIL IOM-error. Input/Output Module Errorstatus.RTC READY / FAIL This signal will be active when there is ahardware error with the real time clock.Table continues on next pageSection 12 1MRK 506 383-UEN ATroubleshooting184 Line distance protection REL650 2.2 IECCommissioning manual
