Error Code 25
The fridge defrost heater isn't working properly
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 25
What This Means
Housing disconnection related to defrost heater; Defrost heater contact failure; Short circuit in heater element; Defective temperature fuse
What actually causes this:
The defrost heater burned out or the wire connection failed
First Thing to Check
Check if condensation is building up abnormally in the fridge
Parts Involved
How to Fix
- 1
1. Check defrost heater housing for separation
- 2
2. Check heater wire connections
- 3
3. Measure heater resistance (disconnect first) — normal: approximately 50-100Ω
- 4
4. Check for continuity in defrost circuit
- 5
5. Replace defrost heater if resistance is abnormal
This Error Applies To
Samsung DRZ18980R Series Refrigerators (2017) (2017–present)
Related Error Codes
The fridge temperature sensor isn't responding correctly
The fridge defrost sensor wire is loose or broken
The humidity sensor in the fresh zone isn't working
The condenser fan motor isn't working
The freezer temperature sensor isn't responding correctly
The room temperature sensor isn't working
The cocktail ice maker temperature sensor isn't responding
The freezer defrost heater isn't working properly