InformationTitleCCR Fault – Unknown FaultURL NameCCR-Fault-Unknown-FaultSummaryHelp SummaryDescribes the Unknown Fault condition on the Type L-828 / L-829 CCR and outlines the manual-listed attempt to correct procedure.Article DetailContentHelp ContentFault Description The CCR has determined that fault conditions exist, but no description exists. Attempt to Correct Put the CCR into Local mode and turn output off.Restart the CCR.If the fault persists, contact Airport Lighting Company. Airport Lighting Company | Type L-828, Type L-829 Ferroresonant Constant Current Regulator