Graco Reactor 2 - Page 46

Troubleshooting
Problem Problem
Problem
Cause Cause
Cause
Solution Solution
Solution
HosesnearReactor
arewarm,buthoses
downstreamarecold.
Shortedconnectionorfailedhose
heatingelement.
Withpoweroff,checkthehose
resistancewithandwithoutthe
whiphoseattached.Withthewhip
hoseattached,thereadingshould
belessthan3ohm.Withoutthe
whiphoseattached,thereading
shouldbeOL(openloop).See
CheckHoseWires,page65.
AandBtemperaturesetpointstoo
low.
IncreaseAandBsetpoints.Hose
designedtomaintaintemperature,
notincreasetemperature.
Hosetemperaturesetpointtoolow.
Check.Increaseifnecessaryto
maintainheat.
Flowtoohigh.Usesmallermixchamber.Decrease
pressure.
Lowcurrent;FTSnotinstalled.InstallFTS,seeoperationmanual.
Hoseheatzonenotturnedonlong
enoughtoreachsetpoint.
Allowhosetoheatup,orpreheat
uid.
Loosehoseelectricalconnections.Checkconnections.Repairas
necessary.
AmbienttemperatureistolowRelocatehosestoawarmerareaor
increaseAandBsetpoints.
Lowhoseheat.
IfHoseResistanceModeisenabled,
thecalibrationfactormaybe
inaccurate.
Re-calibratethehose.Followthe
CalibrationProcedure,page68.
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