Error Code 11
The FlexZone defrost sensor is failing and defrost cycles may not work
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 11
What This Means
CV defrost sensor disconnected; CV defrost sensor defective; Main PCB defect
What actually causes this:
The defrost sensor became loose or stopped working
First Thing to Check
Check if frost is building up in the FlexZone — that indicates defrost problems
Parts Involved
How to Fix
- 1
1. Check voltage between Main PCB CN30 pins 11 and 13 should be within 4.1V to 0.8V range
- 2
2. Reconnect sensor if loose
- 3
3. Verify thermal connection to CV evaporator
- 4
4. Replace sensor if out of range
This Error Applies To
Samsung RF22M9581 Series Refrigerators
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