Error Code ㉑
The freezer cooling fan isn't running
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: LED blinks in self-diagnostic checklist position 21
What This Means
Freezer fan motor (BLDC) not running; Fan motor connector disconnected or loose; Fan motor defective (coil winding open or shorted); Main PBA relay or driver circuit defective
What actually causes this:
The freezer fan motor has failed or the connection came loose
First Thing to Check
Listen for fan noise from the freezer — you should hear it running during cooling cycles
Parts Involved
How to Fix
- 1
1. Measure voltage at MAIN PCB CN20 between pins 16 and 18 during operation — should be 7V–12V
- 2
2. Check fan connector security at motor
- 3
3. Manually rotate fan blade — should spin freely (not seized)
- 4
4. If voltage is correct but fan doesn't run, replace freezer fan motor
- 5
5. If voltage is low, test Main PBA relay circuit
This Error Applies To
Samsung RF23R6 Series Refrigerators (2010) (2010–present)
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