Samsung Oven Error C-30

⚡ Quick Answer: The Samsung oven error code C-30 indicates a malfunction in the PCB temperature sensor, which may be open or shorted. This error often results in the ... ✅ DIY Fixable

What Does Error C-30 Mean?

The Samsung oven error code C-30 indicates a malfunction in the PCB temperature sensor, which may be open or shorted. This error often results in the oven failing to heat properly and can produce unusual clicking sounds during operation. When the C-30 error appears, the oven will cease normal functioning. It's essential to address this issue promptly to restore your oven's performance.

Common Symptoms:

  • Error displayed on screen C-30
  • Oven stops normal operation
  • May not heat or respond normally

Possible Causes

  • PCB temperature sensor fault (medium)
  • Main PCB (control board) defect (medium)

How to Fix Error C-30

DIY Fix Basic power reset and observation

  1. Turn oven off at main power or breaker
  2. Wait 60 seconds and restore power
  3. Observe whether C‑30 error returns

Technician Only Test and replace PCB temperature sensor

  1. Disconnect oven from power
  2. Access main PCB and locate PCB temperature sensor
  3. Test sensor resistance and continuity with appropriate service documentation values
  4. Replace sensor if open/shorted or out of range
  5. Reassemble and test oven operation

Parts needed: PCB temperature sensor, screwdrivers and diagnostic multimeter

Technician Only Inspect and replace main control PCB if needed

  1. Verify wiring and connections from sensor to PCB
  2. Test PCB diagnostic circuits according to model service manual
  3. Replace main control PCB if confirmed defective
  4. Reconfigure settings and test oven functions

Parts needed: Main control PCB, appropriate tools

🛑 When to Call a Pro:
  • Error persists after reset and basic diagnostics
  • Signs of electrical damage such as burning smell, smoke, or visible board damage
  • Uncertain how to safely access internal components

Technical Specifications

wattage 3000W
component Heating Element
resistance 10-30 ohms
part_number DG94-00520A
voltage_rating 240V AC

Common Questions

What does C-30 error mean on Samsung oven?

C-30 indicates a PCB temperature sensor malfunction, causing heating issues and abnormal sounds.

Can I fix Samsung oven C-30 error myself?

Yes, try performing a power reset by turning off the oven at the breaker for 60 seconds.

How much does it cost to fix C-30 error?

Fixing the C-30 error costs between $30–$120 for the sensor, plus service labor.

When should I call a technician for C-30?

Call a technician if the error persists after a reset or if you notice signs of electrical damage.

Data last verified: 2026-01-10

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