GE MAC 1600

Troubleshooting
•Isthebatteryinstalled?
•WhenconnectedtotheACwalloutlet,doesthegreenACpowerlightglow?
PoorQualityECGs
SeveralfactorscancausepoorECGs,including:
•Factorsintheenvironment.
•Inadequatepatientpreparation.
•Hardwarefailuresrelatedtotheacquisitionmodule.
•Leadwires,cables,orproblemsintheunit.
VisualInspection
Athoroughvisualinspectionoftheequipmentcansavetime.Smallthings,suchas
disconnectedcables,foreigndebrisoncircuitboards,missinghardware,orloose
components,canfrequentlycausesymptomsandequipmentfailuresthatmayseem
tobeunrelatedanddifculttotrack.
NOTE:
Takethetimetomakealltherecommendedvisualchecksbeforestartingany
detailedtroubleshootingprocedures.
VisualInspectionChecklist
Area
Lookforthefollowingproblems
I/Oconnectorsandcables
ACpowercord
•Frayingorotherdamage
•Bentprongsorpins
•Crackedhousing
•Loosescrewsinplugs
Interfacecables
•Excessivetensionorwear
•Looseconnection
•Strainreliefsoutofplace
Circuitboards
•Moisture,dust,ordebris(topandbottom)
•Looseormissingcomponents
•Burndamageorsmellofover-heatedcomponents
•Socketedcomponentsnotrmlyseated
•PCBnotseatedproperlyinedgeconnectors
•Solderproblems:cracks,splashesonboard,incomplete
feedthrough,priormodicationsorrepairs
Groundwires/wiring
•Loosewiresorgroundstrapconnections
•Faultywiring
•Wirespinchedorinvulnerableposition
30MAC™16002028451-183E