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Samsung Refrigerators2017–present

Error Code 91

Electrical power to the right compressor is too weak

Moderate

Address soon - your appliance may not work properly

Also displayed as: R-Comp Low Voltage

What This Means

Input AC voltage below 106V; DC link resistor R312 short circuit; Power supply insufficient; House electrical supply issue

What actually causes this:

Household circuit overload or power supply fault

First Thing to Check

Measure wall outlet voltage should be 115V

Parts Involved

Input AC Power SupplyDC Link Resistor R312Inverter PCB

How to Fix

  1. 1

    Measure input AC voltage (should be 120V ±10%)

  2. 2

    Check for short in R312 resistor

  3. 3

    Verify power cord connection

  4. 4

    Test outlet voltage

This Error Applies To

Samsung BRF425200A Series Refrigerators (2017) (2017–present)

Service manual exact match: BRF425200AP/AAService manual exact match: DRF427500AP/DAService manual exact match: DRF429900AP/DAService manual exact match: DRF425300AP/DA

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73

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