Error code reference

Samsung Refrigerator Error Code F-1-

F Defrost Heater error

Samsung codes Samsung refrigerator codes

F Defrost Heater error - separation of freezer compartment defrost heater housing, contact error, disconnection, short circuit, temperature fuse error, or defrosting does not finish after heating continuously for more than 70 minutes.

First step from the service manual

After separating MAIN PCB CN70 and CN71 from PCB, check resistance between CN70 Brown and CN71 Orange; should be 55 (115V) ohm ±7%.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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Step-by-step tests with expected resistance, voltage, and continuity values
Wiring diagram references and connector pinouts from the OEM service manual
Verified part numbers when replacement is required

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F-1- on my Samsung RF28R7351SG

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F Defrost Heater error - separation of freezer

From Service Manual 494973, p.25:

1.After separating MAIN PCB CN70 and CN71 from PCB, check resistance between CN70 Brown and CN71 Orange; should be 55 (115V) ohm ±7%.

2.Measure the heating element resistance across the terminals with the leads removed. Expected: 11 to 13 ohms.

3.Verify the thermal fuse and high-limit thermostat show continuity. An open safety in series with the element produces a no-heat fault even when the element tests good.

Part DC47-00019A

Heating element

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First step from the service manual

Get the full diagnostic procedure for F-1-.

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