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
This Error Applies To
Samsung RF22M9581 Series Refrigerators
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