Error Code 11C
Freezer defrost sensor reading out of valid range
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 11C
What This Means
Sensor housing separated; Incomplete connector contact; Open-circuited wire; Short-circuit
What actually causes this:
Defrost sensor fell off the evaporator fins or the thermistor failed from repeated freeze-thaw cycles.
First Thing to Check
Remove the freezer evaporator cover and verify the defrost sensor is clipped to the evaporator fins.
Parts Involved
How to Fix
- 1
Check voltage between Main PCB CN20 pins 6 and 8; should be within 4.5V–1.0V range
- 2
Inspect defrost sensor mounting on freezer evaporator fins
- 3
Verify sensor is secured by sensor hook
- 4
Replace if out of range
Other Error Codes for RF23CB99008MAC
Door showcase heater has an open or short circuit fault
Ice Bites ice maker temperature sensor reading invalid
Internal I/O expander chip on Main PCB has lost communication
Ambient air temperature sensor reading invalid
Freezer evaporator fan not running or not sending feedback signal
Flex Crisper compartment sensor out of valid range
Fridge compartment defrost sensor reading out of valid range
Fridge evaporator fan not running or not sending feedback