Graco Reactor 2 H-XP3 - Startup; Pre-Startup Checks; System Startup Procedure

Troubleshooting
Primary Primary
Primary
Heater Heater
Heater
Beforeperforminganytroubleshooting
procedures:
1.FollowPressureReliefProcedure,page49.
2.TurnthemainpowerswitchOFF.
3.Allowequipmenttocool.
Trytherecommendedsolutionsintheorder
givenforeachproblem,toavoidunnecessary
repairs.Also,determinethatallcircuitbreakers,
switches,andcontrolsareproperlysetand
wiringiscorrectbeforeassumingthereisa
problem.
Problem Problem
Problem
Cause Cause
Cause
Solution Solution
Solution
Heatturnedoff.
Turnonheatzones.
Temperaturecontrolalarm.
CheckADMforerrorcodes.
PrimaryHeater(s)doesnot
heat.
SignalfailurefromRTD.CheckADMforerrorcodes.
ConrmRTDcablingisproperly
connectedandnotdamaged.
ReplaceRTD.
DirtyRTDconnections.
ExamineRTDcablesconnected
toTCM.ConrmRTDsarenot
pluggedintooppositeheat
zone.Unplugandre-plug
RTDconnectors.Unplug
andre-plugRTDconnectors.
EnsureRTDtipcontactsthe
heaterelement.
RTDnotcontactingheater
element.
Loosenferrulenut,pushinRTD
sotipcontactsheaterelement.
HoldingRTDtipagainstheater
element,tightenferrulenut
1/4turnpasttight.
Failedheaterelement.SeeReplaceHeaterElement,
page63.
Controlofprimaryheatis
abnormal;hightemperature
overshoots(T4DA,T4DB)
occursintermittently.
SignalfailurefromRTD.
See(T6DA,T6DB),ErrorCodes.
334946J
47