14 Samsung Electronics10-5 Diagnosing the main componentsComponentsCompressor• Use the tester to measurethe resistance.– Bring the component to cool downcompletely before measuring.P.T.C RelayCondenserOverload relayCircuit-motor&Fan-motorRotating bladegeared-motorDoor switchDefrost timerDefrost heaterBimetalTemperaturefuseDiagnosing methods and criteria LocationMeasuring pointPrimary iwreSecondary wireNormalApprox 10 ~ 500kΩ3 ~ 20ΩAbnormal0Ω and∞Ω• Use the tester to measurethe resistance.– Bring the component to cool downcompletely before measuring.NormalApprox ∞Ω ~ kΩAbnormal0Ω and ∞ΩNormalApprox 10Ω ~ 80kΩAbnormal0Ω and ∞ΩNormalApprox 200kΩAbnormal0Ω and ∞ΩNormalApprox 100Ω ~ 20kΩAbnormal0Ω and ∞ΩNormalApprox 10Ω ~ 20kΩAbnormal0Ω and ∞Ω• Use the tester to measurethe resistance.– Bring the component to cool downcompletely before measuring.• Use the tester to measurethe resistance.• Use the tester to measurethe resistance.– Bring the component to cool downcompletely before measuring.• Use the tester to measurethe resistance.– Bring the component to cool downcompletely before measuring.• Use the tester to measurethe resistance.• Use the tester to measurethe resistance.Measuring pointA B contact pointWhen the switch ison by the contactNormalApprox 200MΩAbnormal∞MΩ and∞Ω• Use the tester to measurethe resistance.– Bring the component to cool downcompletely before measuring.Measuring pointBetween terminalsTemperature fuse terminalNormalApprox 200KΩApprox 10Ω~300KΩAbnormal0Ω and∞Ω• Use the tester to measurethe resistance.MechanicalcompartmentMechanicalcompartmentElectricalequipment boxMechanicalcompartmentMechanicalcompartmentFreezingcompartmentRefrigeratingcompartmentBetween theupper and thelower doorsElectricalequipment boxLower EVAPEVAPNormalApprox 3KΩ ~ 6KΩAbnormal∞ MΩ ~ ∞ΩMeasuring pointBimetal terminalTemperature fuseterminalNormalApprox 200MΩAbnormal∞Ω ~ ∞Ω