How do I fix error code COMP-LOW-VOLT on my Samsung RF28R7201AA?

1. undefined: Measure input voltage with multimeter 2. undefined: Check power cord and wall outlet 3. undefined: Verify main PCB solder quality

Samsung RF28R7201AARefrigerator

Error Code COMP-LOW-VOLT

Q: What does error code COMP-LOW-VOLT mean on a Samsung RF28R7201AA?

Incoming electrical power too low Low house voltage AC 60V (should be AC110-127V) or AC 106V (should be AC220-240V); Power supply cable problem; Main PCB solder defects

Incoming electrical power too low

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: COMP-LOW-VOLT LED blinks

What This Means

Low house voltage AC 60V (should be AC110-127V) or AC 106V (should be AC220-240V); Power supply cable problem; Main PCB solder defects

What actually causes this:

House power unstable or extension cord used

First Thing to Check

Check if other appliances work normally

Parts Involved

Power SupplyMain PCB

How to Fix

1
Measure input voltage with multimeter
2
Check power cord and wall outlet
3
Verify main PCB solder quality

Other Error Codes for RF28R7201AA

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

ICE-ROOM-HT

Ice storage compartment heater failure

Freezer temperature sensor not working

Fridge cooling fan malfunction

FZ-DMH

Flex zone temperature control heater failure

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