RobinAir AC1234-6 Tablet Accessory User Manual


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AC1234-6 Rev. C
Automatic Function, System Flush, or Charge Function
Troubleshooting Procedures
Display Message: REFRIGERANT INSUFF
Iftheweightenteredismorethantherefrigerant
availableintheISV,thechargefunctionwillnotstart.
Thedisplayreads
REFRIGERANTINSUFF
RefertoManuallyFilltheISVintheMaintenance
section.
Display Message: PRESSURE TOO HIGH
FOR VACUUM
BeforethemachinebeginsevacuatingtheA/Csystem
duringtheautomaticsequence,itchecksforany
pressureinthesystemthatmaydamagethevacuum
pump.Ifpressureisdetected,themachinedisplays
PRESSURETOOHIGHFORVACUUM!
PressESC.Recoverrefrigerantbeforeproceeding.
Display Message: VACUUM TIME X:XX MIN
Ifaleaktestwasprogrammed,andaleakisdetected,
themachinedisplays
VACUUMTIMEX:XXMIN
LEAKTESTRESULTNEGATIVE
PressESCtoexittheautomaticsequenceandperform
neededrepairs.PressOKtocontinuetheautomatic
sequencedespitethefailedleaktest.
Display Message: PURITY TEST FAILED
RefertoTroubleshooting Procedures, Recovery
Function and Automatic Function.
Information
Toensureanaccurateleaktest,itisimperativethat
athoroughrecoveryandevacuationofthesystemis
performed.Duringtherecoveryprocess,coldspotscan
developintheA/Csystem.Pocketsofrefrigerantin
desiccantandinsystemoilwillcontinuetovaporizeas
theA/Csystemtemperatureequalizestowardambient.
Asthisoccurs,A/Csystempressureincreases,which
maybeinterpretedbythemachineasaleak.This
variessomewhatwithambienttemperatureconditions.
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