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Samsung Ovens & Ranges

Error Code C-20

Oven sensor open circuit when operating

Moderate

Address soon - your appliance may not work properly

What This Means

Sensor connector at Main PCB not inserted; Sensor connector disconnected; Temperature sensor open/defective; Main PCB damaged

How to Fix

  1. 1

    Check connector at Main PCB is inserted

  2. 2

    Check connector at sensor is inserted

  3. 3

    If connectors correct, replace temperature sensor

  4. 4

    If problem persists, replace Main PCB

This Error Applies To

Samsung NV51K7770D Series Ovens & Ranges

Service manual exact match: NV51M9970DService manual exact match: NV51M9770DService manual exact match: NV51K7770DG

Related Error Codes

C-F0

Communication interrupted between Main and Sub PCB

C-21

Internal temperature rises abnormally high - Oven sensor short circuit or thermal runaway

C-23

Temp probe sensor is shorted when oven is operating

C-30

PCB temp sensor is open when oven is operating

C-31

PCB temperature rises abnormally high

-dC-

Partition inserted or removed while oven is operating

C-70

Steam sensor open when steam mode is on

C-72

Drain system problem - Water level sensor detects water remaining after max draining time

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