Error code reference

Samsung Refrigerator Error Code 25C

Cool Select Room defrosting error

Cool Select Room defrosting error – defrosting heater housing separation, contact error, disconnection, short circuit, or temperature fuse error; defrosting did not finish after 120 minutes of continuous heating.

First step from the service manual

After separating MAIN PCB CN70_1 wire, check resistance between CN70_1 pin 1 and SMPS CN1 pin 3; 0 Ohm = heater short, ∞ Ohm = wire or fuse open.

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

MyPros+ Max

Get the full diagnostic procedure for 25C.

  • 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
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass