Error Code 13C
The humidity sensor isn't working properly
Moderate
Address soon - your appliance may not work properly
Also displayed as: 13C
What This Means
Sensor housing separated or not properly seated; Incomplete contact at humidity sensor connector; Open-circuited wire in humidity sensor circuit; Short-circuit in sensor wiring; Defective humidity sensor
What actually causes this:
The humidity sensor disconnected or failed
First Thing to Check
Check if ice buildup in the fridge compartment seems excessive compared to normal
Parts Involved
How to Fix
- 1
1. Check input voltage to humidity sensor — measure DC 5V at connector pins #1-#2
- 2
2. Check sensor output voltage — measure at connector pins #4-#2 and compare to humidity voltage table
- 3
3. Voltage should be within 1V to 4V range for normal humidity levels
- 4
4. Verify Main PBA connector CN90 is fully inserted
- 5
5. Check wire and housing connections for damage
- 6
6. If voltage is abnormal, replace humidity sensor
Other Error Codes for RF29DB9750
The proximity sensor hardware is broken
The freezer temperature sensor isn't reading correctly
The fridge temperature sensor isn't reading correctly
The Cool Select room temperature sensor is malfunctioning
The Cool Select room fan isn't working properly
The ice maker temperature sensor isn't working
The cubed ice maker has failed multiple times
The fridge fan motor isn't spinning or isn't being detected