Samsung Refrigerators2012–present

Error Code R6

Water supply heater for ice maker is not working

Moderate

Address soon - your appliance may not work properly

Also displayed as: R6 LED blink

What This Means

Water supply heater wire connector slip-out; Contact error at heater connector; Wiring breakage in heater circuit; Heater element short circuit; Heater element open circuit

What actually causes this:

The heater connector often gets loose from vibration, or the heater element burns out from power surges

First Thing to Check

Inspect the connection at the water supply heater and ensure the connector is fully seated

Parts Involved

Ice Pipe Heater ElementMAIN PCB CN79 connectorHeater wiring harness

How to Fix

  1. 1

    Disconnect MAIN PCB CN79 connector

  2. 2

    Measure resistance between Yellow and Pink wires

  3. 3

    Normal resistance should be 102Ω ± 7%

  4. 4

    0Ω indicates heater short

  5. 5

    ∞Ω indicates wire open or connector slip-out

  6. 6

    Inspect connector for proper seating

This Error Applies To

Samsung RF221NCTAS Series Refrigerators (2012) (2012–present)

Service manual exact match: RF221NCTASRService manual exact match: RF221NCTASPService manual exact match: RF221NCTABCService manual exact match: RF221NCTAWWService manual exact match: RF221NCTASLService manual exact match: RF220NCTASGService manual exact match: RF220NCTASRService manual exact match: RF220NCTASP+2 more

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