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
- Turn oven off at main power or breaker
- Wait 60 seconds and restore power
- Observe whether C‑30 error returns
Technician Only Test and replace PCB temperature sensor
- Disconnect oven from power
- Access main PCB and locate PCB temperature sensor
- Test sensor resistance and continuity with appropriate service documentation values
- Replace sensor if open/shorted or out of range
- Reassemble and test oven operation
Parts needed: PCB temperature sensor, screwdrivers and diagnostic multimeter
Technician Only Inspect and replace main control PCB if needed
- Verify wiring and connections from sensor to PCB
- Test PCB diagnostic circuits according to model service manual
- Replace main control PCB if confirmed defective
- Reconfigure settings and test oven functions
Parts needed: Main control PCB, appropriate tools
- 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
Next step
Choose the next step for C-30
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
- Typical part-only price
- $15 - $35
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Model-compatible Oven parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Non-Scratch Cooktop Cleaner
A routine surface-care product. Confirm that it is approved for the specific glass, ceramic, enamel, or stainless finish.
Oven Thermometer
A diagnostic aid for comparing cavity temperature during a controlled check. It does not prove which internal component has failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
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: 2026-07-31
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