11066 Searchpoint Optima Plus v2.indd - Merkantile

MAN0551.P65 Issue 06 - 03/042108M05018.1 TROUBLESHOOTING8. FAULT FINDINGThe table below describes some possible faults and problems that can beencountered and their most likely causes and remedies. The user should beaware that there are often significant differences between what appears to bethe problem and the actual problem when fully diagnosed. Experience hasshown that a methodical, whole-system orientated approach is the mosteffective for solving problems with gas detection systems and installations.Fault / ProblemOutput is 0mACause:Remedy:Cause:Remedy:Cause:Remedy:Cause:Cause / RemedyUnit is in FAULT conditionConnect SHC-1 interrogator to unit and useDIAGNOSTIC menu options to ascertainreason for FAULT report.Electrical installation problem.(1) Check +24V power supply to unit.(2) Check cables and connections,especially 4-20mA loop connections.(3) Check that unit has correct 4-20mAoutput configuration for use with thecontroller.Optical surfaces are obscured by dirt /contaminants.Clean optical surfaces.Unit’s zero position has negative offset.Remedy:Check that optics are clean and dry. Rezerounit.91