Samsung RF263BEAESR Refrigerator Problems & Error Codes — Overview
The Samsung RF263BEAESR is a French-door refrigerator in the RF261/RF263 family known for throwing sensor-related error codes more often than sealed-system faults. The two most documented codes for this model are E6 (ambient temperature thermistor communication fault) and E13 (humidity sensor communication fault), both pointing to issues in the sensor circuits rather than the compressor or evaporator. Most of these faults trace back to loose or corroded harness connectors, failed thermistors, or occasional control-board communication glitches that clear with a power reset.
Most Common Problems on This Model
- E6 error code on display The control detects an open, short, or communication fault in the ambient temperature thermistor circuit, usually caused by a loose harness connector or failed thermistor.
- E13 error code on display The control detects an open, short, or communication fault in the humidity sensor circuit, caused by a loose harness, corroded pins, or failed humidity sensor assembly.
- Error code persists after power cycle Genuine sensor or wiring failure rather than a transient glitch, requiring harness inspection and resistance checks on the suspect sensor.
- Intermittent error code that comes and goes Loose or corroded harness connector between the sensor and control board, often fixed by unplugging, cleaning pins, and reseating the connection.
- Code returns immediately after clearing Shorted or open sensor reads outside normal range, so the control re-flags the fault on every start-up until the sensor is replaced.
- No error code but temperature swing Marginal thermistor or humidity sensor that still passes control-board range checks but delivers inaccurate readings, requiring replacement based on real resistance measurement.
- Code stays after replacing sensor Wiring between the sensor and main PCB has an open or intermittent fault, or the user-interface board or main PCB itself has failed.
- Multiple codes or UI unresponsive Main control board or user-interface board communication failure, requiring board replacement after confirming all harnesses and sensors test good.
Parts That Commonly Fail
| Part | Notes |
|---|---|
| Ambient temperature thermistor | Amazon | Triggers E6 when open, shorted, or out of range |
| Humidity sensor | Amazon | Triggers E13 when circuit is open, shorted, or connector is loose |
| Wiring harness and connectors | Amazon | Corroded pins or loose seating cause intermittent sensor codes |
| Main PCB or user-interface board | Amazon | Required when sensors and wiring test good but code persists |
Refrigerator Error Codes for This Model
These codes apply to this model line:
- Samsung Refrigerator 1E error code
- Samsung Refrigerator 21E error code
- Samsung Refrigerator 22E error code
- Samsung Refrigerator 25E error code
- Samsung Refrigerator 2E error code
- Samsung Refrigerator 33E error code
- Samsung Refrigerator 39E error code
- Samsung Refrigerator 4E error code
- Samsung Refrigerator 5E error code
- Samsung Refrigerator 88 error code
- Samsung Refrigerator Ap error code
When to Call a Pro
Call a technician if the error code returns after a 60-second power reset and you have checked that all visible harness connectors are fully seated and free of corrosion. Measuring thermistor resistance and tracing sensor wiring back to the control board requires a multimeter and the ability to access the evaporator cover and control housing. If you are not comfortable pulling the refrigerator out, removing panels, and testing live circuits, or if replacing a sensor and harness does not clear the fault, the main PCB or user-interface board is the likely cause and a professional diagnosis will save time and avoid unnecessary part swaps.