Samsung CLX-8640ND - Sensor Failure: #A3-3310. Turn off then On. Call for Service if the Problem Persists

4.Troubleshooting
►ErrorCode
A3–3310
A3–3311
A3–3312
A3–3410
A3–3411
A3–3412
►Errormessage
SensorFailure:#A3-3310.Turnoffthenon.Callforserviceiftheproblempersists
ActuatorFanFailure#A3-3311:Turnoffthenon.
ActuatorFanFailure#A3-3312:Turnoffthenon.
ActuatorFanFailure#A3-3410:Turnoffthenon.
ActuatorFanFailure#A3-3411:Turnoffthenon.
ActuatorFanFailure#A3-3412:Turnoffthenon.
►Symptom
Outertemperature/humiditysensorisdefective.
►Troubleshootingmethod
•A3–3310/A3–3311/A3–3312:Temperaturefunctionisabnormal.
•A3–3410/A3–3411/A3–3412:Humidityfunctionisabnormal.
1)EnterSVCmode.Executesensortesttocheckthesensoroperation.
(Diagnostics>EngineDiagnostics>EngineTestRoutines)
•109-0013:OuterTemperature
•109-0014:HumidityTemperature
2)RemovetheCover-LeftTop[A].Remove8screws.Andremovetheleftcover.
3)Checkthetempsensorharnessconnection.
4)Disconnecttheharness.Measuretheresistancevalueoftheconnectoratbothends.
Ifthevalueisnotin47.5KΩ~52.5KΩ(@25℃),replacethesensor(JC93-00486A).
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