Samsung Refrigerators2010–present

Error Code COMP-HIGH-VOLT

Incoming electrical power too high

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: COMP-HIGH-VOLT LED blinks

What This Means

High house voltage AC 155V (exceeds AC110-127V limit) or AC 310V (exceeds AC220-240V limit); Power surge or spike; Main PCB solder damage

What actually causes this:

House power surge or utility voltage spike

First Thing to Check

Check if voltage stabilizes or if surge continues

Parts Involved

Power SupplyMain PCB

How to Fix

  1. 1

    Measure input voltage with multimeter

  2. 2

    Check for power surges from wall

  3. 3

    Verify main PCB solder quality

This Error Applies To

Samsung RF28R7201 Series Refrigerators (2010) (2010–present)

Service manual exact match: RF28R7201AAService manual exact match: RF28R7201SA

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