Samsung RF28R7201SARefrigerator
Error Code FD-HT
Freezer defrost heating element failure
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: FD-HT LED blinks
What This Means
Heater connector loose; Heater element broken; Thermal fuse blown
What actually causes this:
Heater element burned out or thermal protection triggered
First Thing to Check
Check if freezer gets frost buildup indicating no defrost
Parts Involved
Freezer Defrost Heater (230W)
How to Fix
- 1
After disconnecting CN20, measure resistance CN20-6 to CN20-8: 63(230) ohm ±7%
- 2
0 ohm = short, ∞ ohm = open circuit
- 3
Power OFF before testing
Other Error Codes for RF28R7201SA
FF
Freezer cooling fan not working
RD-HT
Fridge defrost heater not working
EA
Outdoor air sensor not responding
ICE-DUCT-HT
Ice delivery duct heater failure
IM-FUNC
Ice maker not making ice
IO-EXP
Main board input/output chip failure
DISP-PANEL
Dispenser display not communicating
MAIN-INV
Compressor control board communication failed