Error Code 26
Freezer defrost heater did not complete defrost in 120 minutes
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 26
What This Means
Freezer defrost heater housing disconnected; Contact error in heater circuit; Open-circuited defrost heater wire; Short-circuited defrost heater; Blown thermal fuse (thermo-fuse at 109°C)
What actually causes this:
Thermo-fuse blown after overheating event, or defrost heater element has burned out.
First Thing to Check
Check the thermo-fuse for continuity — a blown fuse reads infinite ohms.
Parts Involved
How to Fix
- 1
Separate CN2 wire from FUSE BLOCK
- 2
Check resistance between CN2 pins 1 and 5
- 3
For 0 Ohm: heater is short-circuited
- 4
For infinity Ohm: wire or temperature fuse is open-circuited
- 5
Check thermo-fuse (FRE) continuity — trips at 109°C
This Error Applies To
Samsung RF29CB9900 Series Refrigerators (2023) (2023–present)
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