Section 15 Troubleshooting15.1 Checking the self supervision signals IP1474-1 v115.1.1 Checking the self supervision function IP1473-1 v115.1.1.1 Determine the cause of an internal failure M11657-2 v1This procedure describes how to navigate the menus in order to find the cause of an internalfailure when indicated by the flashing green LED on the HMI module.Procedure1. Display the general diagnostics menu.Navigate the menus to:Diagnostics/IED status/General2. Scroll the supervision values to identify the reason for the failure.Use the arrow buttons to scroll between values.15.1.2 Self supervision HMI data IP1472-1 v115.1.2.1 General IED status GUID-A84F3903-8A70-47D6-8613-AD7FF8BA3AEC v1The following table shows the general IED status signals.M11656-1 v2Table 34: Signals from the General menu in the diagnostics tree.Indicated result Possible reason Proposed actionInternal fail Off No problem detected. None.Internal fail On A failure has occurred. Check the rest of the indicated results to find the fault.Internal warning Off No problem detected. None.Internal warning On A warning has beenissued.Check the rest of the indicated results to find the fault.Time synch Ready No problem detected. None.Time synch Fail No timesynchronization.Check the synchronization source for problems.If the problem persists, contact your ABB representativefor service.Real time clock Ready No problem detected. None.Real time clock Fail The real time clock hasbeen reset.Set the clock.ADC-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.Table continues on next page1MRK 502 067-UEN B Section 15Troubleshooting239Commissioning manual
