Hypertherm Koolant Koolers N-Series - Page 47

 Troubleshooting‐AlarmList
45
Alarm
Code
AlarmName Type Description CorrectiveAction
 Verifythechillerisoperatingwithinthespecified
environmentconditions(refertoSection5.2.1).
 Verifythatairintakeandexhaustclearanceshave
beenadheredto(refertoSection5.2.5).
 Verifythecompressorstatusis“ON”(referto
Figure21).
 Verifythemotorizedhotgasvalveisfullyclose
d
(0%)(refertoFigure21).
 VerifytheSuperheatis<20°F(refertoFigure15).
IftheSuperheatis>20°Ftherefrigerantcharge
maybelow.
 ContactDTSService.
AL*024
FluidUnderTemp
Fault
Auto
reset
Processwateroutlettemperature
is<10°F(5.6°C)belowitssetpoint.
 Verifythetankheaterstatusis“ON”(referto
Figure24).
 Verifythecompressorstatusis“OFF”(referto
Figure21).
 ContactDTSService

AL*025 TankLevelLow
Auto
reset
Thecoolantreservoirlevelislow,
butpumpsareoperable.
Refillthecoolantreservoir(refertoSection6.9).
AL*026 TankCriticallyLow
Auto
reset
Thecoolantreservoirlevelistoo
lowtosafelyoperatethepumps.
Refillthecoolantreservoir(refertoSection6.9).
AL*027 LowPressureFault
Auto
reset
Therefrigerationcircuitsuction
pressurehasgonetoolow.
 Verifythechillerisoperatingwithinthespecified
environmentconditions(refertoSection5.2.1).
 VerifytheSuperheatis<20°F(refertoFigure15).
IftheSuperheatis>20°Ftherefrigerantcharge
maybelow.
 ContactDTSSe
rvice.
AL*028 ProcessFlowFault
User
reset
Theprocesscoolantflowrateis
belowtheminimumthreshold0f
0.4GPM
 Verifythatallvalvesintheprocessfluidcircuit
areopen.
 Verifythattherearenokinksorother
obstructionsintheprocessfluidhoses.
 Verifythatthefluidreservoirisnotlow.
 ChecktheProcesscircuitfluidfiltertoensurethe
filterisclean.Ifthefilteriscontaminatedreplace
thefilter(refertoSection10.2).
 Resetthealarms(refertoSection8.2.3)and
restartthechiller.
 IfthefaultpersistscontactDTSService.
AL*029 RecircFlowFault
User
reset
Theflowrateintherecirculation
circuitisbelowtheminimum
thresholdof6GPM.
 ChecktheProcesscircuitfluidfiltertoensurethe
filterisclean.Ifthefilteriscontaminatedreplace
thefilter(refertoSection10.2).
 Fullyopentheglobevalveattheoutletofthe
re
circulationpump.Resetthealarms(referto
Section8.2.3)andrestartthechiller.Ifthechiller
startsadjusttheglobevalveuntilthe
recirculationflowratereachestheflowspecified
inTable1.
 IfthefaultpersistscontactDTSService.
AL*030
ProcessFluidPress
Hi
User
reset
Theprocessoutletpressurehas
exceededitsmaximumthreshold
of240PSI.
 Thereislikelyaproblemwiththe pressurerelief
bypassvalve.ContactDTSService.
AL*031
TempLimit
Shutdown
Auto
reset
Outletfluidtemperaturehas
exceeded130°F.
 Verifythattheplasmacutterheatloaddoesnot
exceedthespecificationsdefinedinTable1.
Hypertherm, Inc. Part Number: 810540