Samsung Refrigerators2019–present

Error Code 86

Freezer compressor is getting too much power

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 86Er

What This Means

DC bus voltage too high; SMPS output voltage regulator failure; Inverter feedback circuit failure; Overvoltage protection activated

What actually causes this:

Power supply regulator failed or circuit board shorted

First Thing to Check

Power cycle the refrigerator to reset the error

Parts Involved

Inverter PCBSMPS Power Supply

How to Fix

  1. 1

    Measure DC bus voltage on inverter PCB

  2. 2

    Voltage should not exceed DC18V

  3. 3

    Check SMPS output regulation

  4. 4

    Verify feedback circuit

  5. 5

    Test link resistor

This Error Applies To

Samsung BRF425200AP Series Refrigerators (2019) (2019–present)

Service manual exact match: BRF425200AP/AA

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