RobinAir AC1234-6 Tablet Accessory User Manual


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42
Recovery Function or Automatic Function
Figure 28
Troubleshooting Procedures
Connect No. 25700
contaminated refrigerant
recovery machine here.
Display Message: PURITY TEST FAILED
DuringtheRECOVERYfunctionorAUTOMATIC
RECOVERYfunction,ifthemachinedisplays
PURITYTESTFAILED
RECOVERCONTAMINATED
REFRIGERANTFROMSYSTEM
ANDHOSES.
OKTORETRYESCTOQUIT
therefrigerantinthesourcetankorinthevehicleA/C
systemiseithercontaminatedoritisnotR1234yf.
Ineithercase,itshouldnotbeaddedtotheinternal
storagevesselinthemachine.
Thecontaminatedrefrigerantsampledbythe
refrigerantidentierinthemachinemustberemoved.
A refrigerant recovery machine (No. 25700)
dedicated to contaminated refrigerant is required
for the following steps:
1.Withthemachinestillconnectedtothevehicle
andthecouplersopen,connectthelow-side(blue)
couplerfromthe25700tothecontaminantrecovery
portonthebackoftheAC1234-6.SeeFigure28.
Openthecouplervalves.
2.Connectthedischargehosefromthe25700toa
tankdesignedtoreceivecontaminatedrefrigerant.
3.Startthe25700andrunarecoveryaccordingto
instructionssuppliedwiththemachine.
4.Uponachievingavacuuminthevehicle(orper
recoverymachineinstructions),disconnectthe
25700fromtheAC1234-6.
5.Clearthevehicleofresidualcontaminationaccording
tothevehiclemanufacturer’sinstructionsbefore
continuingservice.
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