Troubleshooting
Problem Problem
ProblemCause Cause
CauseSolution Solution
Solution
Gunistooclosetothepartbeing
sprayed.
Gunshouldbe8–12in.(200–300
mm)fromthepart.
Checkuidresistivity.See
CheckFluidResistivity,page26.
Voltage/currentdisplaystaysred
(smartgunsonly).
Dirtygun.SeeCleantheGunDaily,page29.
ESorHZindicatorisamber.Alternatorspeedistoolow.Increaseairpressureuntil
indicatorisgreen.Toavoid
over-atomization,usethe
atomizingairrestrictorvalveto
reducetheatomizingairtotheair
cap.
ESorHzindicatorisred.Alternatorspeedistoohigh.Decreaseairpressureuntil
indicatorisgreen.
ErrordisplayappearsandHz
indicatorisred(Smartgunsonly).
Smartmodulehaslost
communicationwiththepower
supply.
Checkforgoodconnectionsbe-
tweentheSmartModuleandthe
powersupply.SeeSmartModule
Replacement,page51and
PowerSupplyRemovaland
Replacement,page43.
36 3A2494D