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
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 RF28R7201AA
Ice maker not making ice
Main board input/output chip failure
Dispenser display not communicating
Compressor control board communication failed
Ice storage compartment heater failure
Freezer temperature sensor not working
Fridge cooling fan malfunction
Flex zone temperature control heater failure