Troubleshooting
Hose Hose
Hose
Heat Heat
Heat
System System
System
Beforeperforminganytroubleshootingprocedures:
1.FollowPressureReliefProcedure,page47.
2.TurnthemainpowerswitchOFF.
3.Allowequipmenttocool.
Problem Problem
Problem
Cause Cause
Cause
Solution Solution
Solution
Ambienttemperatureistoocold.Relocatehosestoawarmerarea
orrecirculateheateduidthrough
thehose.
FTSfailedornotinstalledcorrectly.CheckFTS,seeCheckRTD
CablesandFTS,page62.
Lowsupplyvoltage.
Verifylinevoltage.Lowline
voltagesignicantlyreduces
poweravailabletothehoseheat
system,affectinglongerhose
lengths.
Hoseheatsbutheatsslower
thanusualoritdoesnotreach
temperature.
IfHoseResistanceModeis
enabled,thecalibrationfactormay
beinaccurate.
Re-calibratethehose.Followthe
CalibrationProcedure,page65.
AandBsetpointstoolow.IncreaseAandBsetpoints.
Hoseisdesignedtomaintain
temperature,nottoincreaseit.
Ambienttemperatureistoocold.IncreaseAandBsetpointsto
increaseuidtemperatureand
keepitsteady.
Flowtoohigh.Usesmallermixchamber.
Decreasepressure.
Hosewasnotfullypreheated.Waitforhosetoheattocorrect
temperaturebeforespraying.
Lowsupplyvoltage.
Verifylinevoltage.Lowline
voltagesignicantlyreduces
poweravailabletothehoseheat
system,affectinglongerhose
lengths.
Hosedoesnotmaintain
temperaturewhilespraying.
IfHoseResistanceModeis
enabled,thecalibrationfactormay
beinaccurate.
Re-calibratethehose.Followthe
CalibrationProcedure,page65.
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334946H