Error Code 13
The fridge humidity sensor is not working
Moderate
Address soon - your appliance may not work properly
Also displayed as: 13
What This Means
Humidity sensor connector disconnected; Humidity sensor defective; Main PCB defect; Water damage to sensor
What actually causes this:
The humidity sensor wire is loose, got wet, or the sensor failed
First Thing to Check
Check if condensation issues are occurring in the fridge — that indicates humidity sensor problems
Parts Involved
How to Fix
- 1
1. Check voltage between Main PCB CN30 pins 7 and 9 should be within 4.1V to 0.8V range
- 2
2. Verify connector is fully seated and dry
- 3
3. Inspect sensor for moisture or corrosion
- 4
4. Replace sensor if defective
Other Error Codes for RF28M9580
The freezer fan is not working
The main control board can't talk to the display
The ice bucket heater is not working
The FlexZone compartment has gotten too warm
The humidity monitoring sensor is not working
The outdoor temperature sensor is not working
The FlexZone defrost sensor is failing and defrost cycles may not work
The freezer defrost sensor is failing and defrost cycles may not work