Error code reference

Samsung Refrigerator Error Code Flex ROOM Damper Heater Error

Flex zone room damper heater circuit fault detected.

Samsung codes Samsung refrigerator codes

Flex zone room damper heater circuit fault detected.

First step from the service manual

Separate MAIN PCB CN40 wire, measure resistance between CN40-"25" ↔ "27"; should be 135 ohm ±7%. 0 ohm = heater short, infinity = 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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Flex ROOM Damper Heater Error on my Samsung RF28R7351SG

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Flex zone room damper heater circuit fault

From Service Manual 622272, p.44:

1.Separate MAIN PCB CN40 wire, measure resistance between CN40-"25" ↔ "27"; should be 135 ohm ±7%. 0 ohm = heater short, infinity = 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 Flex ROOM Damper Heater Error.

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