How do I fix error code C-30 on a Samsung ovens & ranges?

1. undefined: Disconnect electrical power 2. undefined: Remove back cover 3. undefined: Check NTC200 sensor status for breaks or poor soldering 4. undefined: Measure NTC sensor resistance (should be 3200Ω at room temperature)

Samsung Ovens & Ranges2020–present

Error Code C-30

Q: What does error code C-30 mean on a Samsung ovens & ranges?

PCB temperature sensor malfunction NTC sensor open circuit; NTC sensor short circuit; Broken solder joint on PCB; Damaged sensor component

PCB temperature sensor malfunction

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: C-30

What This Means

NTC sensor open circuit; NTC sensor short circuit; Broken solder joint on PCB; Damaged sensor component

What actually causes this:

Failed thermistor component or damaged solder connection on main PCB

First Thing to Check

Visually inspect NTC200 sensor for damage; measure resistance (3200Ω at room temperature)

Parts Involved

NTC200 thermistorMain PCB

How to Fix

1
Disconnect electrical power
2
Remove back cover
3
Check NTC200 sensor status for breaks or poor soldering
4
Measure NTC sensor resistance (should be 3200Ω at room temperature)

This Error Applies To

Samsung NV51M9770S Series Ovens & Ranges (2020) (2020–present)

Service manual exact match: NV51M9770SSService manual exact match: DOB30P977SS

Related Error Codes

C-31

Safety interlock triggered - excessive temperature detected

C-F2

Display/touch panel communication failure

C-21

Oven temperature control failure - overheating

C-23

Temperature probe circuit fault

C-70

Steam generation temperature sensor circuit open

C-d0

Keypad control circuit short circuit

C-72

Steam drain pump circuit malfunction

C-20

Oven temperature sensor malfunction

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