Graco 3A2494D Diagnostic Diagnostic, DiagnosticMode Mode, (microAmperes)Screen Screen, Current(microAmperes) (microAmperes), Current Current, (kiloVolts)Screen Screen, Voltage(kiloVolts) (kiloVolts), Voltage Voltage, Mode, Screen

GunOverview
Diagnostic Diagnostic
DiagnosticMode Mode Mode
DiagnosticModeincludesfourscreenswhichdisplay
gundata:
•Voltage(kiloVolts)Screen
•Current(microAmperes)Screen
•AlternatorSpeed(Hertz)Screen
•LowVoltageLockScreen
NOTE: NOTE:
NOTE:YoumustbeinOperatingModetoadjustthe
lowvoltagesetting;thesettingisnotadjustablein
DiagnosticMode.However,thevoltageadjustment
switch(VA)canbesettoHIorLOinOperatingMode
andinDiagnosticMode.
ToenterDiagnosticMode,pressandholdtheLOSET
(LS)buttonforapproximately5seconds.Thedisplay
willgototheVoltage(kiloVolts)Screen,page13.
Toadvancetothenextscreen,presstheLOSET
buttonagain.
ToexitDiagnosticMode,pressandholdtheLOSET
buttonforapproximately5seconds.Thescreenwill
returntoOperatingMode.
NOTE: NOTE:
NOTE:IfthegunisdetriggeredwhileinDiagnostic
Mode,thelastscreenviewedwillbedisplayedwhen
thegunisretriggered.
NOTE: NOTE:
NOTE:DiagnosticModecannotbeexited
fromtheLowVoltageLockScreen.See
LowVoltageLockScreen,page14fordetails.
Voltage Voltage
Voltage(kiloVolts) (kiloVolts) (kiloVolts)Screen Screen Screen
TheVoltage(kiloVolts)Screenistherstscreento
appearafterenteringDiagnosticMode.SeeFig.6,
andTable1onpage10.Toenterthisscreen,press
andholdtheLOSETbuttonforapproximately5
secondswhileintheOperatingMode.
Thisscreendisplaysthesprayingvoltageofthe
gunasanumber(kV),roundedtothenearest5kV.
ThetwotoprightLEDs(VI)ofthedisplaypanel
light,indicatingthattheVoltage(kiloVolts)Screen
isdisplayed.Thedisplayisareadoutandcannot
bechanged.
PresstheLOSETbuttontoadvancetothe
Current(microAmperes)Screen,page13.Press
andholdforapproximately5secondstoreturnto
OperatingMode.
Figure6Voltage(kiloVolts)Screen
Current Current
Current(microAmperes) (microAmperes) (microAmperes)Screen Screen Screen
TheCurrent(microAmperes)Screenisthesecond
screenintheDiagnosticMode.SeeFig.7,andTable
1onpage10.Toenterthisscreen,presstheLO
SETbuttonwhileintheVoltage(kiloVolts)Screen.
Thisscreendisplaysthesprayingcurrentofthegun
asanumber(uA),roundedtothenearest5uA.The
twobottomrightLEDs(CI)ofthedisplaypanellight,
indicatingthattheCurrent(microAmperes)Screen
isdisplayed.Thedisplayisareadoutandcannot
bechanged.
PresstheLOSETbuttontoadvancetothe
AlternatorSpeed(Hertz)Screen,page14.Press
andholdforapproximately5secondstoreturnto
OperatingMode.
Figure7Current(microAmperes)Screen
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