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Samsung Refrigerators2010–present

Error Code COMM-INVERTER

Compressor controller not communicating with main board

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: LED blinks

What This Means

Inverter communication cable disconnected; Main PCB communication circuit failure; Inverter PCB failure; Compressor circuit malfunction

What actually causes this:

Loose inverter cable or PCB failure

First Thing to Check

Check cable between main board and inverter board

Parts Involved

Main PCBInverter PCBInverter Communication Cable

How to Fix

  1. 1

    1. Verify cable connection between Main and Inverter PCB

  2. 2

    2. Check connector pins for proper seating

  3. 3

    3. With oscilloscope, verify signal transmission

  4. 4

    4. If signals present, replace defective PCB

This Error Applies To

Samsung RF24R7201 Series Refrigerators (2010) (2010–present)

Service manual exact match: RF24R7201AAService manual exact match: RF24R7201EGService manual exact match: RF24R7201SAService manual exact match: RF24R7201EOService manual exact match: RF24R7201APService manual exact match: RF24R7201EUService manual exact match: RF24R7201EFService manual exact match: RF24R7201FA

Related Error Codes

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FZ-DEFROST

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ICE-ROOM-FAN

Ice room fan not running

COMM-DISPENSER

Water/ice dispenser panel not communicating

R

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