How do I fix error code 21 on my Samsung RF262BEAESG?

1. undefined: Check voltage between Main PCB CN20-16 and CN20-18 should be 7V~12V 2. undefined: Verify connector is fully inserted 3. undefined: Check for motor rotation signal at CN20-14

Samsung RF262BEAESGRefrigerator

Error Code 21

Q: What does error code 21 mean on a Samsung RF262BEAESG?

Freezer fan not spinning Loose connector at CN20-16 and CN20-18; Defective fan motor; Bad motor winding

Freezer fan not spinning

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: Error 21

What This Means

Loose connector at CN20-16 and CN20-18; Defective fan motor; Bad motor winding

What actually causes this:

Fan stuck from ice or motor bearing failure

First Thing to Check

Check if fan blade is frozen or blocked

Parts Involved

BLDC Fan Motor (FRE)Main PCB CN20

How to Fix

1
Check voltage between Main PCB CN20-16 and CN20-18 should be 7V~12V
2
Verify connector is fully inserted
3
Check for motor rotation signal at CN20-14

Other Error Codes for RF262BEAESG

Freezer is too warm

Ice maker temperature sensor not responding

Compressor fan not running

Pantry damper heater not heating

Input/output expander chip not responding

Compressor drawing too much current

Inverter power module failure

Fridge defrost cycle sensor not responding

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