What does error code C-30 mean on a Samsung NV51M9770DS?

PCB internal temperature sensor open circuit Broken NTC sensor on PCB; Poor solder connection; Open circuit in sensor trace

How do I fix error code C-30 on my Samsung NV51M9770DS?

1. undefined: Disconnect electrical power 2. undefined: Remove back cover 3. undefined: Remove PCB and visually inspect NTC sensor 4. undefined: Measure NTC sensor resistance (should be 3200 ohms at room temperature)

Samsung NV51M9770DSOvens & Range

Error Code C-30

PCB internal temperature sensor open circuit

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: C-30

What This Means

Broken NTC sensor on PCB; Poor solder connection; Open circuit in sensor trace

What actually causes this:

The PCB temperature sensor is broken internally or has a bad solder joint

First Thing to Check

Visually inspect the small NTC sensor component on the main PCB for obvious damage

Parts Involved

Main PCBNTC200 sensor component

How to Fix

1
Disconnect electrical power
2
Remove back cover
3
Remove PCB and visually inspect NTC sensor
4
Measure NTC sensor resistance (should be 3200 ohms at room temperature)

Other Error Codes for NV51M9770DS

C-70

Steam temperature sensor open circuit detected

C-23

Temperature probe sensor short circuit detected

C-72

Drain pump failure or water sensor malfunction in steam system

C-F0

Main and sub control board communication failure

C-71

Steam temperature sensor short circuit

C-21

Oven temperature control failure causing excessive heating

C-d0

A control button is stuck in pressed position

C-A2

Cooling fan motor failure

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