Graco Reactor 2 E-XP2

Troubleshooting
Primary Primary
Primary
Heater Heater
Heater
Beforeperforminganytroubleshootingprocedures:
1.RelievePressure.SeePressureReliefProcedure,page45.
2.TurnmainpowerswitchOFF.
3.Allowequipmenttocool.
Problems Problems
Problems
Trytherecommendedsolutionsintheordergivenforeachproblem,toavoidunnecessaryrepairs.Also,
determinethatallcircuitbreakers,switches,andcontrolsareproperlysetandwiringiscorrectbefore
assumingthereisaproblem.
Problem Problem
Problem
Cause Cause
Cause
Solution Solution
Solution
Heatturnedoff.
Turnonheatzones.
Temperaturecontrolalarm.
CheckADMforerrorcodes.
PrimaryHeater(s)doesnotheat.
SignalfailurefromRTD.SignalfailurefromRTD.
DirtyRTDconnections.ExamineRTDcablesconnected
toTCMs.Con󰘰rmRTDsare
notpluggedintooppositeheat
zone.Unplugandre-plugRTD
connectors.Unplugandre-plug
RTDconnectors.EnsureRTDtip
contactstheheaterelement.
RTDnotcontactingheater
element.
Loosenferrulenut,pushinRTD
sotipcontactsheaterelement.
HoldingRTDtipagainstheater
element,tightenferrulenut1/4
turnpasttight.
Failedheaterelement.
See
ReplaceHeaterElement,page64.
Controlofprimaryheatis
abnormal;hightemperature
overshoots(T4DA,T4DB)occurs
intermittently.
SignalfailurefromRTD.See(T6DA,T6DB),ErrorCodes.
333024S 43