Error Code 21E
Freezer compartment fan motor not responding
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 21 E
What This Means
Bad Feed-Back Signaling Wire; Contact error; Motor Wire Slipped-Out; Defective Motor
What actually causes this:
The freezer fan isn't spinning or its sensor wire broke, preventing cold air circulation.
First Thing to Check
Check if you can hear the freezer fan running when the compressor is on.
Parts Involved
How to Fix
- 1
Measure voltage between MAIN PCB CN75 #1 (GRAY) and #4 (YELLOW)
- 2
Voltage should be 7V-12V
- 3
Check for FG signal (pulse feedback) from motor on CN75 #6
- 4
Listen for motor bearing noise or grinding
Other Error Codes for RS25H5111BC
Ice maker position sensor out of sync
Refrigerator defrost heating system malfunction
Refrigerator compartment warming up abnormally
Room temperature sensor malfunction
Compressor motor won't start
Refrigerator defrost temperature sensor malfunction
Freezer defrost heating system malfunction
Freezer compartment warming up abnormally