Error code reference

Samsung Refrigerator Error Code F-1 (F-DEF Error)

Freezer compartment defrost part error

Samsung codes Samsung refrigerator codes

Freezer compartment defrost part error - separation of defrost heater housing, contact error, disconnection, short circuit, temperature fuse error, or defrosting does not finish after 70 minutes of continuous heating.

First step from the service manual

After separating MAIN PCB CN70,CN71 from PCB, check resistance between CN70 Brown and CN71 Orange; should be 102(220) ohm ±7%. Check 0 Ohm = heater short, ∞ Ohm = wire/bimetal open.

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 (F-DEF Error) on my Samsung RF28R7351SG

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Freezer compartment defrost part error

From Service Manual 892251, p.23:

1.After separating MAIN PCB CN70,CN71 from PCB, check resistance between CN70 Brown and CN71 Orange; should be 102(220) ohm ±7%. Check 0 Ohm = heater short, ∞ Ohm = wire/bimetal open.

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 (F-DEF Error).

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