Samsung Oven / Range tESt error code
Oven / Range
Samsung oven / range error code tESt means: Demo mode is on — the oven and electric cooktop will not heat. Some displays show this as Demo or tE5t. This guide covers how to reset the code, the most common causes, step-by-step troubleshooting, and replacement parts that typically resolve tESt.
Safe to keep using?
No safety issue
This is a status or lock code, not a hardware fault.
2 product recalls may apply
Brand-level matches — verify your model.
Show
2 product recalls may apply
Brand-level matches — verify your model.
Likely causes
Demo mode is on — the oven and electric cooktop will not heat.
Check: Press Power or Start/Pause to clear the code, then restart the cycle.
Est. cost: $0–$0
What it means
Demo mode is on — the oven and electric cooktop will not heat.
How to fix it
- Unplug the oven / range or turn off power at the breaker before inspecting any components.
- Reset Samsung tESt: leave power off for 5 minutes, restore power, then restart. Confirm whether tESt returns.
- Check the most common cause for tESt: Demo mode is on — the oven and electric cooktop will not heat.
- Inspect hoses, connections, and visible wiring for damage, clogs, or loose fittings.
- If a reset and basic checks don't clear the code, use our lookup tool for AI-powered diagnosis or contact a qualified technician.
- Reassemble, restore power, and run a test cycle. If tESt returns, the faulty component likely needs replacement.
Call a pro when: Call a technician if you smell burning, see sparking, hear grinding from the motor, or the code returns after replacing the suspected part.
FAQ
What does tESt error code mean on a Samsung oven / range?
Demo mode is on — the oven and electric cooktop will not heat.
What does Samsung tESt mean?
Demo mode is on — the oven and electric cooktop will not heat.
How do I reset Samsung oven / range tESt?
Unplug the oven / range or switch it off at the breaker for 5 minutes, then restore power and restart. A reset clears a stored tESt after a glitch, but the code will return if the underlying fault is still present.
What part do I need for Samsung tESt?
Not always — some tESt errors are caused by user-fixable issues like clogs or unbalanced loads. Try the troubleshooting steps first.
Can I fix Samsung error tESt myself?
Many tESt errors can be fixed DIY if you're comfortable with basic tools. Start with the reset and steps above. If the issue involves electrical components or the code returns after replacing parts, call a professional.
Do I need a replacement part for tESt?
Not always — some tESt errors are caused by user-fixable issues like clogs or unbalanced loads. Try the troubleshooting steps first.
Samsung tESt on specific models
Other Samsung Oven / Range codes
Prevent this problem next time
- Use lock features only when needed
- Avoid cutting power mid-cycle
Sources
Manufacturer meaning
Demo mode is on — the oven and electric cooktop will not heat.
FixApplianceCode guidance
Clear the tESt status code and restart. No replacement part is needed.
Source type: Editorial
Source: FixApplianceCode status-code guidance
Last reviewed: 2026-08-24
Repair guidance is for informational purposes only. We do not guarantee that any fix will resolve your issue, and you assume all risk when following these steps. Terms & disclaimer
FixApplianceCode may earn a commission when you purchase through qualifying links, at no additional cost to you. Affiliate disclosure