How do I fix error code COMP-LOCATION-DETECT-ERROR on a Samsung refrigerators?

1. undefined: Check compressor connector CN04 2. undefined: Verify resistance of R2 (0.09 Ω) on inverter PCB 3. undefined: Inspect Main PCB solder joints 4. undefined: Check compressor and refrigerant cycle for mechanical issues

Samsung Refrigerators2020–present

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

Inverter PCBCompressorCN04 connector

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

This Error Applies To

Samsung RF28T5 Series Refrigerators (2020) (2020–present)

Service manual exact match: RF28T5101SR/AAService manual exact match: RF28T5A01S9/APService manual exact match: RF28T5021S9/EMService manual exact match: RF28T5001S9/MLService manual exact match: RF28T5021B1/COService manual exact match: RF28T5A01SR/AAService manual exact match: RF28T5021SR/AAService manual exact match: RF28T5001SR/AA