Troubleshooting
Hose Hose
Hose
Heat Heat
Heat
System System
System
Beforeperforminganytroubleshooting
procedures:
1.FollowPressureReliefProcedure,page49.
2.TurnthemainpowerswitchOFF.
3.Allowequipmenttocool.
Problem Problem
Problem
Cause Cause
Cause
Solution Solution
Solution
Ambienttemperatureistoocold.Relocatehosestoawarmerareaor
recirculateheateduidthroughthe
hose.
FTSfailedornotinstalledcorrectly.
CheckFTS,see
CheckRTDCablesandFTS,page65.
Lowsupplyvoltage.
Verifylinevoltage.Lowline
voltagesignicantlyreducespower
availabletothehoseheatsystem,
affectinglongerhoselengths.
Hoseheatsbutheats
slowerthanusual
oritdoesnotreach
temperature.
IfHoseResistanceModeisenabled,
thecalibrationfactormaybe
inaccurate.
Re-calibratethehose.Followthe
CalibrationProcedure,page68.
AandBsetpointstoolow.IncreaseAandBsetpoints.Hoseis
designedtomaintaintemperature,
nottoincreaseit.
Ambienttemperatureistoocold.IncreaseAandBsetpointsto
increaseuidtemperatureandkeep
itsteady.
Flowtoohigh.Usesmallermixchamber.Decrease
pressure.
Hosewasnotfullypreheated.Waitforhosetoheattocorrect
temperaturebeforespraying.
Lowsupplyvoltage.
Verifylinevoltage.Lowline
voltagesignicantlyreducespower
availabletothehoseheatsystem,
affectinglongerhoselengths.
Hosedoesnot
maintaintemperature
whilespraying.
IfHoseResistanceModeisenabled,
thecalibrationfactormaybe
inaccurate.
Re-calibratethehose.Followthe
CalibrationProcedure,page68.
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