Error Code COMP-LOCATION-DETECT-ERROR
Control board cannot detect compressor motor rotor position
Moderate
Address soon - your appliance may not work properly
Also displayed as: F and R blink in sequence
What This Means
Open or disconnected compressor wiring at CN04; Failed back-EMF sensing circuit on inverter PCB; Bad solder on Main PCB; Compressor motor failure
What actually causes this:
The compressor driver circuit cannot figure out where the motor rotor is — the compressor cannot start.
First Thing to Check
Do not open the unit — call a technician.
Parts Involved
How to Fix
- 1
Check compressor connector CN04
- 2
Verify resistance of R2 (0.09 Ω) on inverter PCB
- 3
Inspect Main PCB solder joints
- 4
Check compressor and refrigerant cycle for mechanical issues
Other Error Codes for RF28T5021SR
Refrigerator compartment temperature sensor is disconnected or dead
Internal humidity sensor has failed or is disconnected
Defrost sensor on freezer evaporator is failed or disconnected
Freezer fan motor is not running or not sending feedback
Supply voltage to compressor is too high
Freezer temperature sensor is failing or disconnected
Ice maker temperature sensor in freezer is failed or unplugged
External room temperature sensor is failed or disconnected