Error Code 2C
Fridge compartment temperature sensor out of valid range
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 2C
What This Means
Sensor housing separated from its mount; Incomplete connector contact at sensor plug; Open-circuited sensor wire; Short-circuit in sensor circuit
What actually causes this:
Sensor plug came loose from the evaporator cover or the thermistor itself has failed.
First Thing to Check
Reseat the sensor connector behind the fridge evaporator cover without any tools.
Parts Involved
How to Fix
- 1
Check voltage between Main PCB CN20 pins 9 and 11; should be within 4.5V–1.0V range
- 2
Verify Main PBA connector CN20 is inserted properly
- 3
Measure resistance and compare to temperature table on page 123
- 4
Replace sensor if voltage is out of range after reseating connector
Other Error Codes for RF29CB9900QKAA
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 defrost sensor reading out of valid range
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