Error Code 5E
Fridge compartment defrost sensor has failed or come loose
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 5E
What This Means
Defrost sensor connector disconnected; Open or short circuit in wiring; Failed thermistor; Temperature out of range (above +50°C or below -50°C)
What actually causes this:
Defrost sensor behind fridge evaporator cover failed or connector came unplugged during service.
First Thing to Check
Remove the fridge evaporator cover and check whether the defrost sensor connector is fully seated.
Parts Involved
How to Fix
- 1
Check voltage between Main PCB CN30 pins 1 and 6 — should be 4.5V to 1.0V
- 2
Measure resistance between CN30 pins 6 and 7 for R-DEF sensor
- 3
Perform forced defrost to confirm heater operation
- 4
Verify bimetal and temperature fuse are not open
This Error Applies To
Samsung RF32FM Series Refrigerators (2013) (2013–present)
Related Error Codes
Wall voltage too low for freezer compressor to run
Freezer defrost sensor is failed or disconnected
Cool Select Room defrost sensor is failed or loose
Freezer temperature sensor is open, shorted, or disconnected
Outside air temperature sensor has failed or lost connection
Fridge section ice maker sensor is open, shorted, or out of range
Fridge fan motor stopped or lost feedback signal
Fridge temperature sensor is open, shorted, or out of range