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Samsung Ovens & Ranges

Error Code C-20

Oven sensor is open (over 2950 Ohms)

Moderate

Address soon - your appliance may not work properly

What This Means

Oven sensor failure or open circuit; Damaged wire harness; Loose connection

How to Fix

  1. 1

    Disconnect power and open back cover

  2. 2

    Disconnect sensor harness from control

  3. 3

    Measure sensor resistance - should be 1080 Ohms at room temperature

  4. 4

    If resistance is incorrect, replace oven sensor

  5. 5

    Check for damaged terminals or wire harness

  6. 6

    Verify CNS300 connector on main PCB connection

This Error Applies To

Samsung NE63A6111S Series Ovens & Ranges

Service manual exact match: NE63A6111S

Related Error Codes

C-d0

Short in the control key

C-21

Oven heating over / Internal temperature rises abnormally high

C-30

Main PCB sensor is open when oven is operating

C-31

PCB temperature rises abnormally high

C-d1

Door locking information / Door lock failure

bAd LInE

Power connection installed improperly

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