RobinAir AC1234-6 Tablet Accessory User Manual


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33
AC1234-6 Rev. C
Maintenance
Replace the Oxygen Sensor in the Refrigerant Identier
Figure 21
Remove four screws
holding shroud.
Therefrigerantidentierinthemachinecontainsa
replaceableoxygensensorthatmayaffectthewaythe
machineworksifthesensorisnotfunctioningcorrectly.
•
Ifthemachinedisplaysthefollowingmessage,
immediatelyreplacetheoxygensensor:
OPERATINGTIMEOFTHEIDENTIFIERANDUNIT
ARELIMITED
REPLACEIDO2SENSORSOON
UNITWILLBECOMENONFUNCTIONAL
•
Ifthemachinedisplaysthefollowingmessage,the
oxygensensorhasexpired.Neithertheidentiernor
themachineisabletorecoveroraddrefrigerantto
theinternaltank.
ANALYZERERROR6
O2SENSORFAILURE
SENSORMUSTBEREPLACED
UNITWILLNOTRECOVERORALLOWTANKFILL
SEEMANUAL
Replace the Oxygen Sensor
1.Disconnectthemachinefromitspowersource.
2.Removetheoilbottle,andremovethefourscrews
holdingtheshroud.SeeFigure21.Hangtheshroud
onthebackofthemachine.
3.Disconnectthewireharness,USBconnector,and
samplehosefromtheidentier.SeeFigure22.
4.Removethetwoscrewsholdingtheidentiertothe
machine,andremovetheidentier.
5.Carefullyprytheoxygensensorcapfromthe
housing.Gentlypullonthecapandwiresuntilthe
connectorexitsthehousing.
CAUTION: The wire connected to the cap is
connected internally to the identier. To prevent
equipment damage, do NOT pull on this wire.
Disconnect wire harness,
USB connector,
and sample hose.
Figure 22
Oxygen Sensor
Cap
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