Error code reference

Samsung Refrigerator Error Code 26Er

Freezer defrost heater (F-DEF) error

Freezer defrost heater (F-DEF) error: separation of heater housing part, contact error, disconnection, short circuit, temperature fuse error, or defrost does not finish after heating continuously for more than 100 minutes.

First step from the service manual

After separating Main PCB CN70 & CN85 wire from PCB, resistance value between CN70 5PIN - CN85 3PIN shall be 63 (230) ohm ± 7%. 0 ohm = heater short, ∞ ohm = wire/bimetal open (must power off).

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

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